Question

Solve by factorisation.....1)x²-5x-36=0 *

Answer 1

x²-5x-36

SPLITTING THE MIDDLE TERMS

=>(x²-9x)+(4x-36)

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

TAKING (x-9) common

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

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Answer 2

Step-by-step explanation:

x²-5x-36

x²- (9 - 4)x - 36

x²- 9x + 4x -36

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

(x + 4) (x -9)