Tina wants to build a garden in her backyard. she knows that the area of the section of the backyard she will be using is x^2-4x-45 square feet. determine which of the following are possible dimensions of the section, in feet.

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation: