Question

Fill in the blank spaces

y2 + 15y + 56 = (y + 7)(y +_)
a. –8
b. 8
c. –7
d. 7

z2 + 9z – 90 = (z – 6)(z +mc005-1.jpg)
a. –15
b. 15
c. –9
d. 90

Answer 1

1-b-8

2-b-15

Explanation:

Answer 2

1) b. 8
2) b. 15

Do you need an explanation?