Question

Q5: Factorise:x2+6x - 27​

Answer 1

x2+6x - 27.

=x^2 +9x-3x-27

=x(x+9)-3(x+9)

=(x+9)(x-3)

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Answer 2

$x^2+6x-27$

by middle split term

$=>x^2+9x-3x-27=0$

$=>x(x+9)-3(x+9)=0$

$=>(x-3)(x+9)$