What should be subtracted from f(x)=2x^4+3x^3-12x^2+28x-20 so that the resulting polynomial is exactly divisible by g(x)=x^2+3x-4.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

move it to the other side

step-by-step explanation:

good luck on ur quiz test or homework. have a good day : )