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!
Answer:
Step-by-step explanation:
x² + 7x + 12 = x² + 4x + 3x + 3*4
= x*(x + 4) + 3*(x + 4)
=(x + 4) (x+3)
