x+8 + x+3 + x^2-3x + 3x-3 = 56
x^2 + 2x - 48 = 0
Once you find x, then you can do the sides.
The perimeter of the quadrilateral is 56 centimeters. Find the length of each side.
A quadrilateral has sides labeled x plus 8, x plus 3, x squared minus 3 x, and 3 x minus 3.
1 answer