Maths-
General
Easy

Question

Express in the form of a single algebraic expression: (3x + 4y) (4x2y + 3xy2)

hintHint:

  • Multiplication of polynomials.
  • Follow three steps while multiplication of polynomials.
First, multiply each term in one polynomial by each term in the other polynomial using the                      distributive law.
Add the powers of the same variables using the exponent rule.
Then, simplify the resulting polynomial by adding or subtracting the like term

The correct answer is: 12x3y + 25x2y2 + 12xy3.


    Answer:
    Step-by-step explanation:
    ○     Given:

                                  (3x + 4y) (4x2y + 3xy2)
    ○       Step 1:

                                  (3x + 4y) (4x2y + 3xy2)

                                  rightwards double arrow 3x(4x2y + 3xy2) + 4y(4x2y + 3xy2)

                                  rightwards double arrow12x3y + 9x2y2 + 16x2y2 + 12xy3

                                  rightwards double arrow 12x3y + 25x2y2 + 12xy3.

    •         Final Answer:

                                        12x3y + 25x2y2 + 12xy3.

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