Respuesta :

irspow
y^2+5y  the greatest common factor is y so

y(y+5)

...

4x^2-49  this is a "difference of perfect squares" which always factors to:

(a^2-b^2)=(a-b)(a+b), in this case:

(2x-7)(2x+7)

...

5s^2-20  GCF is 5

5(s^2-4)  now the parenthetic term is a difference of squares so

5(s-2)(s+2)
emmafe226

Answer:

a.

Step-by-step explanation: