find factors of 4x^2 - 16 x - 9
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Answered by
15
Answer:
(4x-9)(x+2)
Step-by-step explanation:
= 4x² - 16x -9
= 4x² +2x-18x-9
= 4x(x+2)-9(x+2)
= (4x-9)(x+2)
Answered by
0
Step-by-step explanation:
4x^2-16x-9
4x^2+2x-18x-9
2x (2x+1)-9 (2x+1)
(2x-9) (2x+1)
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