Question

x² + I2x - 45 pls answer as fast as possible ​

Answer 1

Step-by-step explanation:

x²+12x-45

=x²-3x+15x-45

=x(x-3)+15(x-3)

=(x-3)(x+15)

Answer 2

Answer:

Step-by-step explanation:

Given

x^2+12x-45

We know that

15×3=45

15-3=12

So,put these in given equation

Now,

= x^2+15x-3x-45

=x(x+15)-3(x+15)

=(x+15)(x-3)