Question

The area of a rectangle is given by A = x2 + 4x – 5. Find the value of x if the total area of the rectangle is equal to 7 square units.
a) x = 7
b) x = 1
c) x = 5
d) x = 2

Answer 1

answer is x=2

Answer 2

solve the equation \[x ^{2}+4x-5=7\]