Question on: WAEC Mathematics - 1990
Factorize x\(^2\) + 4x - 192
A
(x-4) (x+48)
B
(x-48) (x+4)
C
(x-12) (x+16)
D
(x-12) (x-16)
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Correct Option: C
x\(^2\) + 4x - 192
x\(^2\) + 16x - 12x - 192
x(x + 16) - 12(x + 16)
(x + 16)(x - 12)
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