select the values for a, b, and c that will make the following equation true. ax² + bx + c = (x + 8)(x – 1) A. a = 1 B.

Question

select the values for a, b, and c that will make the following equation true.
ax² + bx + c = (x + 8)(x – 1)
A. a = 1
B. a = 2
C. b = -7
D. b = 7
E. c = -8
F. c = 9

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4 years 2021-08-27T07:43:06+00:00 1 Answers 9 views 0

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    2021-08-27T07:44:55+00:00

    Step-by-step explanation:

    (x + 8)(x – 1) = x^2 – x + 8x – 8 = x^2 + 7x – 8.

    Hence a = 1, b = 7, c = -8. (Options A, D and E)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )