Question

factorize


x^4+x^3-x^2-x​

Answer 1

=x⁴+x³-x²-x

= taking x³ common

= x³(x+1)-x²-x

=x³(x+1) -x(x+1) {taking-x common}

= (x+1)(x³-x). {taking x+1 common}