Question

wrire cofficent of x in (x-1) (2-x)

Answer 1

$<b>HELLO !$

Hi GOOD Morning

MULTYPLY (x-1)(2-x)

=x(2-x)-1(2-x)

=2x-x^2-2+x


=-x^2+3x-2


So, from here the coefficient of x is $\red{\huge{3}}$

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