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snow_lady [41]
3 years ago
12

(7x^2 + 9x + 7)(9x - 4)

Mathematics
1 answer:
morpeh [17]3 years ago
4 0
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
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