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

User Wayne
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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

User Jonathan Moo
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7.8k points
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