A
x=y^2-9
x+9=y^2
square root both sides
+-sqrt(x+9)
Hm..Maybe so that when they give birth the stretch Mark's on their body wont be so bad.
Answer:
x^2 - 3x - 40
Step-by-step explanation:
x = 8 and x = -5
x - 8 = 0 and x + 5 = 0
(x - 8)(x + 5)
x^2 + 5x - 8x - 40
x^2 - 3x - 40
Answer: x^2 - 3x - 40
Answer: 40
Step-by-step explanation: 4 x 10 = 40