Is w=-4 the correct answer?
thanks
The area of a rectangle is 12 square inches. The length is 5 more than twice the width. Find the length and the
width.
Thanks
2 answers
x(2x+5)=12
2x^2+5x-12=0
(x+4)(2x-3)=0
2x-3=0
2x=3
x=3/2
3/2(2(3/2)+5)=12
3/2(3+5)=12
3/2(8)=12
24/2=12
12=12
width=3/2
length=8
2x^2+5x-12=0
(x+4)(2x-3)=0
2x-3=0
2x=3
x=3/2
3/2(2(3/2)+5)=12
3/2(3+5)=12
3/2(8)=12
24/2=12
12=12
width=3/2
length=8