Question

(1) (4 - x)² - 2x.
FACTORISE IT​

Answer 1

HEYA USER ❤️

(4-x)²-2x

using (a-b)²=a²+b²-2ab

(4)²+(x)²-2(4)(x)

=(16+x²-8x)-2x

=16+x²-8x-2x

=16+x²-10x

=x²-10x+16

By splitting middle term,

x²-8x-2x+16

x(x-8)-2(x-8)

(x-2)(x-8)

(Required factors)

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