Question

x²-x-4 factorise this question​

Answer 1

x^2-2.x.1/2+1/4-1/4-4

=(x-1/2)^2-(17/4)

now factorize

Answer 2

x²-x-4

=x²-(2x-2x)-4

=x²-2x+2x- 4

=x(x-2)+2(x-2)

=(x-2)(x+2)

Step-by-step explanation:

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