Question

Factorise this X square + 18x + 45

Answer 1

Answer:

x^2+3x+15x +45

x ( x+3) + 15( x+3)

( x+3 ) ( x+15)

Answer 2

Step-by-step explanation:

x^2+18x+45

m+n=18x

m*n=45x^2

x^2+3x+15x+45

x(x+3)+15(x+3)

=(x+3)(x+15)