Maths-
General
Easy
Question
Find the product. (2𝑥 − 4)(2𝑥 + 4)
Hint:
The methods used to find the product of binomials are called special products.
Difference of squares is a case of a special product which occurs when we multiply a binomial by another binomial with the same terms but the opposite sign
The correct answer is: 16
(2𝑥 − 4)(2𝑥 + 4) = 2𝑥(2𝑥 + 4) − 4(2𝑥 + 4)
= 2𝑥(2𝑥) + 2𝑥(4) - 4(2𝑥) - 4(4)
= 4𝑥2 + 8𝑥 - 8𝑥 - 16
= 4𝑥2 - 16
Final Answer:
Hence, the simplified form of (2𝑥 − 4)(2𝑥 + 4) is 4𝑥2 - 16
Final Answer:
Hence, the simplified form of (2𝑥 − 4)(2𝑥 + 4) is 4𝑥2 - 16
This question can be easily solved by using the formula
(a + b)(a - b) = a2 - b2
Related Questions to study
Maths-
Use the square of a binomial to find the value of 512.
Use the square of a binomial to find the value of 512.
Maths-General
Maths-
Subtract -5x2 from the sum of 3xy - 2x2 + 19 and 9y2 + 3x2 - 5.
Subtract -5x2 from the sum of 3xy - 2x2 + 19 and 9y2 + 3x2 - 5.
Maths-General
Maths-
Complete the factor pair for .
Complete the factor pair for .
Maths-General
Maths-
Find the product.
−4𝑥 (2𝑥2 − 3𝑥 + 5)
Find the product.
−4𝑥 (2𝑥2 − 3𝑥 + 5)
Maths-General
Maths-
Use the square of a binomial to find the value of 992.
Use the square of a binomial to find the value of 992.
Maths-General
Maths-
Use the square of a binomial to find the value of 712.
Use the square of a binomial to find the value of 712.
Maths-General
Maths-
Consider the following set of monomials.
Find subsets of A such that the GCF of its elements is 4x, 5x and y.
Consider the following set of monomials.
Find subsets of A such that the GCF of its elements is 4x, 5x and y.
Maths-General
Maths-
Solve: (3𝑥 − 4)2
Solve: (3𝑥 − 4)2
Maths-General
Maths-
Find the product
−2𝑥2(𝑥2 + 3𝑥 + 4)
Find the product
−2𝑥2(𝑥2 + 3𝑥 + 4)
Maths-General
Maths-
Subtract 4y(y - z + x) - 3x(x - y + z) from 5z(z - y - x)
Subtract 4y(y - z + x) - 3x(x - y + z) from 5z(z - y - x)
Maths-General
Maths-
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 3.
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 3.
Maths-General
Maths-
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 2x.
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 2x.
Maths-General
Maths-
Express in the form of a single algebraic expression: (3x + 4y) (4x2y + 3xy2)
Express in the form of a single algebraic expression: (3x + 4y) (4x2y + 3xy2)
Maths-General
Maths-
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 1 .
Consider the following set of monomials.
Find a subset of A such that the GCF of its elements is 1 .
Maths-General
Maths-
Simplify: (x + y)(2x + y) + (x + 2y)(x – y)
Simplify: (x + y)(2x + y) + (x + 2y)(x – y)
Maths-General