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Mathematics

Grade10

Easy

Question

Simplify the expression.
$left parenthesis 4 straight n to the power of 4 minus 8 straight n plus 4 right parenthesis minus left parenthesis 8 straight n squared plus 4 straight n to the power of 4 plus 1 right parenthesis$

$- 8 n^{2} - 8 n + 3$
$- 7 n^{2} - 8 n + 3$
$- 6 n^{2} - 8 n + 3$
$- 7 n^{2} - 4 n + 3$

hint Hint:

Combine like terms

The correct answer is: $negative 8 straight n squared minus 8 straight n plus 3$

$left parenthesis 4 straight n to the power of 4 minus 8 straight n plus 4 right parenthesis minus left parenthesis 8 straight n squared plus 4 straight n to the power of 4 plus 1 right parenthesis$
Combine like terms
$left parenthesis 4 straight n to the power of 4 – 4 straight n to the power of 4 right parenthesis plus left parenthesis negative 8 straight n squared right parenthesis plus left parenthesis negative 8 straight n right parenthesis plus left parenthesis 4 minus 1 right parenthesis$
$equals negative 8 straight n squared – 8 straight n plus 3$

Related Questions to study

Find the difference.
$left parenthesis 3 minus 2 straight x plus 2 straight x squared right parenthesis minus left parenthesis 4 straight x minus 5 plus 3 straight x squared right parenthesis$

Find the difference.
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Find the sum.
$left parenthesis 2 straight x squared plus 5 straight x minus 7 right parenthesis plus left parenthesis 3 minus 4 straight x squared plus 6 straight x right parenthesis$

Find the sum.
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Simplify the expression.
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What is the constant in the polynomial?
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What is the constant in the polynomial?
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What is the standard form of the polynomial?
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