factor numbers out first if possible, giving
5(36s^2 + 60sf + 25f^2)
since 36 and 25 are perfect squares, and 60 = 2*6*5, we have a perfect square:
5(6s+5f)^2
factor:
180s^2+300sf+125f^2
1 answer
180s^2+300sf+125f^2
1 answer