Question

I need help with this pleasee

Answer 1

76+20x
factor out 4
4 (19+5x)

so one possible dimensions of the rectangle is 4 by 19+5x

Answer 2

4(19+5x)

Explanation;
First you have to find the Greatest Common factor(GCF). Then divide each number by the GCF. Last put the quotients in the parentheses and the GCF outside the parentheses.