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I need help on #20 please
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I need help on #20 please

I need help on #20 please-example-1
User UncleZeiv
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1 Answer

7 votes

Answer:

P = 10x³ + 4x² + 8x + 6

Explanation:

The perimeter of a rectangle is twice the sum of length and width.

P = 2(L+W) = 2((x³ +2x² -6x +12) +(4x³ +10x -9))

= 2(5x³ +2x² +4x +3) . . . . collect terms inside parentheses

P = 10x³ +4x² +8x +6

User Sam Hanley
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