AM-363
Remainder and factor theorems
A Math · Secondary 3 · Medium · Remainder and factor theorems
Let
f(x)=x3+4x2−5x−6. Given that
x−2 is a factor of
f(x), factorise
f(x) completely.
- (x−2)(x+3−6)(x+3+6)
- (x+2)(x+3−6)(x+3+6)
- (x−2)(x+3)2
- (x−2)(x2+2x−3)
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