Substitute y.
x^2+5x-3-x=2
Add common factors.
x^2+4x-3=2
Subtract 2 from both sides of the equation.
x^2+4x-5=0
Quadratic Formula:
[-4±√4²-(4*1*-5)]/(2*1)=0
[-4±√16-(-20)]/2=0
[-4±√36]/2=0
[-4±6]/2=0
(-4+6)/2
2/2
x=1
(-4-6)/2
-10/2
x=-5
Answer:
x=1
or
x=-5
__________
2x^2-16x+32=0
Quadratic Formula:
(-b±√b²-4ac)/2a=0
[16±√-16²-(4*2*32)]/(2*2)=0
[16±√256-(256)]/4=0
[16±√0]/4=0
[16±0]/4=0
(16+0)/4
16/4
x=4
(16-0)/4
16/4
x=4
Answer:
x=4
