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(3x-4)(3x + 4) - (x + 3)2

(3x-4)(3x + 4) - (x + 3)2
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(3x-4)(3x + 4) - (x + 3)2

asked
User Wayne
by
7.2k points

1 Answer

6 votes

Answer:

9x²-2x-22

Explanation:

(3x-4)(3x + 4) - (x + 3)2

=(3x)²-4²-2x-6 ∵(a-b)(a+b)=a²-b²

=9x²-16-2x-6

=9x²-2x-22

answered
User Jonathan Moo
by
8.2k points
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