Question

For each question, factor completely and choose

the number of the correct answer.
1. x +5x− 300
(1) (x-20)(x+15) (2) (x-10)(x+30)
(3) (x+20)(x-15)
(4) (x+10)(x-30)

Answer 1

question no:3

Explanation:

here

= x^2 + 5x - 300

= x^2 +(20-15)x -300

= x^2 + 20x - 15x - 300

= x(x+20) -15(x+20)

= (x+20) (x - 15)