Find 15.75 divided by 0.25 using the standard algorithm

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)