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Please help on question 7 I am extremely confused

Please help on question 7 I am extremely confused-example-1
User Foudfou
by
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1 Answer

4 votes
(x - 1)(2x + 3)
= 2x2 -2x + 3x - 3
= 2x^2 + x - 3

(2x - 3)(2x + 3) = 4x^2 - 9

so answer

(x - 1)(2x + 3) x - 1
------------------ simplifies to ------------------
4x^2 - 9 2x - 3


User Tarida George
by
9.0k points