Question

(y-5)(y+9) is equal to​

Answer 1

Answer:

y^2+4y-45

Step-by-step explanation:

Using identity (x+a)(x+b)

y^2+(-5+9)y+(-5×9)

=y^2+4y-45

PLZ MARK IT AS THE BRAINLIEST...

PLZ

Answer 2

= y times y + y times 9 + -5 times y + -5 times 9

= y²+9y+-5y-45

=y²+4y-45