Question

20. Factor the expression. ^2 + 7 + 12

Answer 1

Answer:

Step-by-step explanation:

x² + 7x + 12 = x² + 4x + 3x + 3*4

                   = x*(x + 4) +  3*(x + 4)

                   =(x + 4) (x+3)

Answer 2

Answer: x^2 + 19

Step-by-step explanation: Cancel out x^2 and add 7 and 12 together. 7 + 12 = 19. Next plug in x^2. So, its now x^2 + 19.

Hope this help!