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Mathematics
, 30.09.2019 15:50
ashlyo
(7x^2 + 9x + 7)(9x - 4)
a. 63x^3 + 53x^2 + 27x + 28
b. 63x^3 + 53x^2 + 27x - 28
c. 63x^3 + 53x^2 + 59x - 28
d. 63x^3 + 81x^2 + 27x - 28
Answers: 1
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Answer from:
dejaproctor17
B
7x^2(9x-4)= 63x^3-28x^2
9X(9X-4)= 81X^2-36X
7(9X-4)= 63X-28
63X^3-28X^2+81X^2-36X+63X-28
Answer from: Quest
answer: c i think
step-by-step explanation:
Answer from: Quest
mk./km: lm
step-by-step explanation:
,mlmlm
; mk
lk
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You know the right answer?
(7x^2 + 9x + 7)(9x - 4)
a. 63x^3 + 53x^2 + 27x + 28
b. 63x^3 + 53x^2 + 27x - 28
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