Question

Simplify the expression –3(x + 3)^2 – 3 + 3x. What is the simplified expression in standard form?

2 is a exponent

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given that,

$- 3 {(x + 3)}^{2} - 3 + 3x$

By formula,

${(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

$= - 3( {x}^{2} + 9 + 6x) - 3 + 3x$

$= - 3 {x}^{2} - 27 - 18x - 3 + 3x$

$= - 3 {x}^{2} - 15x - 30$

$= - 3( {x}^{2} + 5x + 10)$

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