9/4/5
5(2x+3)=40
8m(m-2)
5x^2+6x^3+8y^3+3y-3x^2+6y
p(\lambda) = -\lambda^3 + 3\lambda - 2.
2(5x-7)=26
14hsquared+63h
Q(x)= 2x3+ 5x2 + x – 2
The width of a rectangle is 26.4 cm and its perimeter is 117.8 cm. What is its length?