Question

Find the area of a rectangle if it length is (3x-7) in. And it’s width is (x+9)

Answer 1

Answer:

3x2+20x−63

Explanation:

=(3x+−7)(x+9)

=(3x)(x)+(3x)(9)+(−7)(x)+(−7)(9)

=3x2+27x−7x−63

=3x2+20x−63

Answer 2

Answer:

We have to do 3x-7 times x+9, and then you will get your solution of finding your area of the rectangle.