Express 9-y^2 as the product of two binomial factors.

Question

asked Jul 28, 2017 94.9k views

1 Answer

Erol · Answer 1 · 2017-08-01T01:35:04+0000

This is the difference of squares. Formula is:
A² - B² = ( A - B ) · ( A + B )
9 - y² = 3² - y² = ( 3 - y ) · ( 3 + y )