SOLUTION: The length of a rectange is (x+4)cm.
The width is (x-3)cm.
The area of the rectangle is 78cm^2.
How do I write this in terms of x?
Algebra.Com
Question 810766: The length of a rectange is (x+4)cm.
The width is (x-3)cm.
The area of the rectangle is 78cm^2.
How do I write this in terms of x?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(x+4)*(x-3)=78
x^2+x-90 = 0
x=-10 x=9
we discard x=-10
9+4=13
9-3-6
RELATED QUESTIONS
The length of a rectangle is (x+4)cm.
The width is (x-3)cm.
The area of the rectangle... (answered by oscargut)
: the length of a rectangle is 8 cm more than 3 times its width. the perimeter of the... (answered by oberobic)
A rectangle has a width of 4 cm and a length of 10 cm. The rectangle is folded so that it (answered by josgarithmetic,math_tutor2020)
A rectangle has length (x+5)cm and width (x-2)cm. Its area is 60 cm^2. Write a quadratic... (answered by josgarithmetic)
A rectangle has length x cm
The perimeter of the rectangle is 35cm
write down in... (answered by Fombitz)
the length of a rectange is 1 cm longer than its width. if the diagonial of the... (answered by ankor@dixie-net.com)
Solve the following application problem. Show and explain the variable equation used and... (answered by jorel1380,lwsshak3)
Two rectangles A and B each have an area of 11 cm^2
The length of rectangle A is x cm... (answered by josmiceli,ikleyn,MathTherapy)
The length of a rectangle is 3 cm more than its width. Express this relationship with an (answered by josgarithmetic)