Question

subtract 3xcube +x+5 from 4x squre+x-7​

Answer 1

Answer:

4x²+x-7-(3x³+x+5)

4x²+x-7-3x³-x-5

4x²-3x³+x-x-7-5

4x²-3x³-12

+x-x are cut because if one sign is positive and other negative if it has same variable then it will cut