Question

Factorise: x^2-5x-36

Answer 1

Hi !

Solution ;-

= x²-5x-36

= x²-9x+4x-36

= x(x-9)+4(x-9)

= (x+4)(x-9) Answer

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Hope it's helpful

Answer 2

Answer : 9 or -4

X²-5x-36=0

x²-9x+4x-36=0

x(x-9)+4(x-9)=0

(x-9)(x+4)=0

X=9 or x=-4