Mathematics, 01.09.2020 14:01, marqueen1

If x2 + ax + b = (x – 9)(x + 9), what is the value of ab?
A) -81
B)
0
C)
81
D) 1458

Answers: 1

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If x2 + ax + b = (x – 9)(x + 9), what is the value of ab?
A) -81
B)
0
C)
8...