2(x^2)-5x=18

Simple and best practice solution for 2(x^2)-5x=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 2(x^2)-5x=18 equation:


Simplifying
2(x2) + -5x = 18

Reorder the terms:
-5x + 2x2 = 18

Solving
-5x + 2x2 = 18

Solving for variable 'x'.

Reorder the terms:
-18 + -5x + 2x2 = 18 + -18

Combine like terms: 18 + -18 = 0
-18 + -5x + 2x2 = 0

Factor a trinomial.
(-2 + -1x)(9 + -2x) = 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 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 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 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-2, 4.5}

See similar equations:

| Y=50x^2-98 | | 5k(3k+2)= | | 6(4-2x)= | | 112+6x=10x | | lx-4l-5lx-4l+6=0 | | 2(9h+3)= | | 4c(4c+2)= | | 6/5*4/7 | | 1+2m=7 | | 0=-2n+7n | | -(5x^2-2x+2)= | | 4m+zr=r-5h | | 48y-24=6y+6 | | 3x*24+42-3=50 | | p^2=1.142 | | 4x-9[9(x+3)-(x-2)]-6= | | 10x+25=21x+15 | | 7x^2+7x+8=0 | | a^2+160a+160=0 | | (x+11)(x-4)=y | | 3v^2=-96-36v | | 6v(9v+6)+v(9v+2)= | | -5(2y+2)+3y=-11 | | 10+8(2x+4)=8-7 | | 7-9a=6 | | 6[5-(6-8q)]= | | 7i(8-12i)(8+12i)=1456i | | -7a+6a=-2 | | -157=18+5x | | 12r=12345 | | (2x-4)-(9x+2)-(9x-2)= | | 16x^2-4y^2+12y-9=0 |

Equations solver categories