Question

factorise:x^2-6x-135
plz hlp me​

Answer 1

Step-by-step explanation:

x^2-6x-135

x^2-(15x-9x) -135

x^2-15x+9x-135

x(x-15)+9(x-15)

(x+9)(x-15)

x=-9

or x=15

Answer 2

Answer:

x=9,x=-15

or

x=-9,x=15

Step-by-step explanation:

By splitting middle terms

x^2- 6x- 135

Product=- 135

Sum. =-6

x^2-9x+15x-135

x(x-9)+15(x-9)

(x-9)(x+15)

x-9=0

x=9

x+15=0

x=-15