I need help
Solving the system of equations algebraically and Showing all the steps involved.
y=x^2+2x
y=3x+20
since both say y =
we equate:
x^2+2x=3x+20
x^2 - x - 20 = 0
(x-5)(x+4)=0
x=5 or x=-4
for x=5, y = 35
for x=-4, y = 8
Solving the system of equations algebraically and Showing all the steps involved.
y=x^2+2x
y=3x+20
we equate:
x^2+2x=3x+20
x^2 - x - 20 = 0
(x-5)(x+4)=0
x=5 or x=-4
for x=5, y = 35
for x=-4, y = 8