Question

Simplify the expression –3(x 3)2 – 3 3x. what is the simplified expression in standard form? –3x2 – 18x – 27 –3x2 – 15x – 30 –3x2 3x 6 –3x2 3x – 30

Answer 1

The simplification of the given expression will be  $(-3x^2-15x-30)$.

What will be the simplification of the given expression?

Given expression is

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

By applying  $(a+b)^2=a^2+2ab+b^2$  we get

$-3(x^2+6x+9)-3+3x$

Multiplying by -3 into the whole bracket we get

$-3x^2-18x-27-3+3x$

$-3x^2-18x-30+3x$

$-3x^2-15x-30$

Thus the simplification of the given expression will be  $(-3x^2-15x-30)$

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Answer 2

Answer:

B. –3x^2 – 15x – 30

Step-by-step explanation: