Coefficient of x2 in (x + 9)(6 - 4x)(4x - 7) is
A) 216 B) -4 C) -92 D) 108
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Answered by
0
Answer:
B) -4
Step-by-step explanation:
when x is multiplied by-4x then it turns into -4x².
Answered by
0
Answer:
Answer is C) -92
(x+9)(6-4x)(4x-7)
= (6x-4x^2+54-36x)(4x-7)
= 24x^2-144x^2+28x^2
= 52x^2-144x^2
= -92x^2
So, -92
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