1x^2-7x=18

Simple and best practice solution for 1x^2-7x=18 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 1x^2-7x=18 equation:


Simplifying
1x2 + -7x = 18

Reorder the terms:
-7x + 1x2 = 18

Solving
-7x + 1x2 = 18

Solving for variable 'x'.

Reorder the terms:
-18 + -7x + 1x2 = 18 + -18

Combine like terms: 18 + -18 = 0
-18 + -7x + 1x2 = 0

Factor a trinomial.
(-2 + -1x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-2, 9}

See similar equations:

| 7a=6+a | | 0.6=x/15 | | 9x=72x | | 1/7x1/4x=1/6y | | 8(g+2)+7g=5(g+6)+6 | | 7w+8y+7x+4x-15y+3y= | | 3(10)-9=2(10)+1 | | 3*12+4y=18 | | c=180-42-36 | | 4/5x-4/5=3 | | 3(6-5r)=-102 | | 5x^3+12x^2-3x-14=0 | | 6/7x=168 | | -2/3x(10 | | n*log(2)n=50000000 | | 6/y-5=18/y-1 | | b^2-6b+16=0 | | 8-3x=c | | x-45=8(2x+3)-9 | | -4(-1)(-5)(3)= | | 2(d+4)+2=5d+1 | | 20+w=6w | | 4-j=-1 | | 2x-9=-5+12 | | -8=4+4y | | 2y-12=4y | | 5x-15+4x=7x+3 | | 12h+60=300 | | -2(2)(-3)= | | -1.8(-5r+7)-0.2r= | | -20-21= | | 6+8x=2x-(3-x) |

Equations solver categories