Question 145607
{{{(7x^(-8))*(6x^3)}}} Start with the given expression



{{{42x^(-8)*x^(3)}}} Multiply the coefficients 7 and 6 to get 42



{{{42x^(-8+3)}}} When you multiply monomials, simply add the exponents



{{{42x^(-5)}}} Add



So our answer is {{{42x^(-5)}}}