Answer:
Give it a bit of time OK I will say the answer is in the *c'h_a-t
Step-by-step explanation:
Let x be the Width, and x+4 be the Length of the rectangle ; =>
Area = x*(x+4) = 60 ; =>
x^2 +4x - 60 = 0 ; Now solve the Quadratic equation using factoring to find x;
a) 3x²-4x-15
b) binomial