Question 874485
a) x+1
b) x^2 + (x+1)^2 = 25
x^2 + x^2+2x+1 = 25
2x^2 +2x -24 = 0
divide both sides of = by 2
x^2 +x -12 = 0
factor expression
(x+4)(x-3) = 0
x = 3 is the valid answer
the truck is 3 feet high