Step-by-step explanation:
width= x
length= x+3
area = 70
A= lw
70= (x+3)(x)
70= x²+3x
x²+3x-70=0
(x+10)(x-7) = 0
x+10= 0. x-7=0
x= -10. x=7
Since we are talking about dimensions, we would take 7 as the value of x because there is no such as negative dimension.
width=x
= 7
length = x+3
= 7+3
=10
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Step-by-step explanation:
width= x
length= x+3
area = 70
A= lw
70= (x+3)(x)
70= x²+3x
x²+3x-70=0
(x+10)(x-7) = 0
x+10= 0. x-7=0
x= -10. x=7
Since we are talking about dimensions, we would take 7 as the value of x because there is no such as negative dimension.
width=x
= 7
length = x+3
= 7+3
=10
Salamat