Solve the equation x 2 x - 7 0 - WAEC Mathematics 1995 Question
Solve the equation (x +2)(x - 7) = 0
A
x = 1 or 8
B
x = -2 or 7
C
x = -4 or 5
D
x = -3 or 6
correct option: b
(x + 2)(x - 7) = 0
x + 2 = 0 \(\implies\) x = -2
x - 7 = 0 \(\implies\) x = 7
x = -2 or 7
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