F(x)=x^2-3x-40

Simple and best practice solution for F(x)=x^2-3x-40 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for F(x)=x^2-3x-40 equation: 


Simplifying
F(x) = x2 + -3x + -40

Multiply F * x
xF = x2 + -3x + -40

Reorder the terms:
xF = -40 + -3x + x2

Solving
xF = -40 + -3x + x2

Solving for variable 'x'.

Reorder the terms:
40 + 3x + xF + -1x2 = -40 + -3x + x2 + 40 + 3x + -1x2

Reorder the terms:
40 + 3x + xF + -1x2 = -40 + 40 + -3x + 3x + x2 + -1x2

Combine like terms: -40 + 40 = 0
40 + 3x + xF + -1x2 = 0 + -3x + 3x + x2 + -1x2
40 + 3x + xF + -1x2 = -3x + 3x + x2 + -1x2

Combine like terms: -3x + 3x = 0
40 + 3x + xF + -1x2 = 0 + x2 + -1x2
40 + 3x + xF + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
40 + 3x + xF + -1x2 = 0

The solution to this equation could not be determined.

See similar equations:

| -2(x-8)=4(3-x) | | 10-4k=15 | | 4x^2+10=46 | | 1/3s-4 | | -5.8x=29 | | 154=4x+(2x/3) | | 10b/2b+8 | | 1.5(x+2.4y)+4(2.4x+1.4y)= | | 5/6h+21=-9 | | -4c+10=-2c-50 | | 120-x=13 | | 4-121= | | 120+x=13 | | (-6y-4z)(-5)= | | 10x+4=3x+18 | | m-(-62)=45 | | 63h+70h=267 | | [67+(-14)]+14= | | 2/3x-14=10 | | -20x+29x= | | -45=n/5 | | (a+2)(a+4)=0 | | 2x+3x=-25 | | (A+5)(A+2)=0 | | -4+a/4=5 | | 0.75m-0.33=0.5 | | 3x/4x | | 3(t+4)=6 | | w=90.05+89.99 | | 5x-10=3(2x-10) | | 5+3x/4x+16 | | y=90.05+w |

Equations solver categories