Question

15. If (x-1) is a factor of x2 + x - 2 then the other factor will be
_____​

Answer 1

Answer:

$by \: factorising \\ {x}^{2} + x - 2 = 0 \\ (x - 1)(x + 2) = 0 \\ \\ so \: the \: other \: factor \: is \: (x + 2)$

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Answer 2

Answer:

x-1 is one of the factor

so make g(x) = x-1

p(x) = x²+x-2

divide p(x) with g(x)

x-1 ) x²+x-2 ( x+2

x²-x

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2x-2

2x-2

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0

the other factor is x+2