Answer :
Answer:
= x² + 7x + 70
Step-by-step explanation:
-7x - 60 = x² + 10
= -x² - 7x - 60 - 10
= -x² - 7x - 70
= x² + 7x + 70
Answer:
= x² + 7x + 70
Step-by-step explanation:
-7x - 60 = x² + 10
= -x² - 7x - 60 - 10
= -x² - 7x - 70
= x² + 7x + 70