Question

-(х⁵)⁻⁷·5х³⁶ если х= -5

Answer 1

$-(x^5)^{-7}*5x^{36}=-(x)^{5*-7}*5x^{36}=-x^{35}*5x^{36}=-x^{-35+36}*5=\\=-x*5=-5x=-5*(-5)=25$