5x^2=2(4-9x)

Simple and best practice solution for 5x^2=2(4-9x) 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 5x^2=2(4-9x) equation:


Simplifying
5x2 = 2(4 + -9x)
5x2 = (4 * 2 + -9x * 2)
5x2 = (8 + -18x)

Solving
5x2 = 8 + -18x

Solving for variable 'x'.

Reorder the terms:
-8 + 18x + 5x2 = 8 + -18x + -8 + 18x

Reorder the terms:
-8 + 18x + 5x2 = 8 + -8 + -18x + 18x

Combine like terms: 8 + -8 = 0
-8 + 18x + 5x2 = 0 + -18x + 18x
-8 + 18x + 5x2 = -18x + 18x

Combine like terms: -18x + 18x = 0
-8 + 18x + 5x2 = 0

Factor a trinomial.
(-4 + -1x)(2 + -5x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 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 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Solution

x = {-4, 0.4}

See similar equations:

| 0.15*(x^9)-x+0.85=0 | | 9y+(-12y)= | | (2x+1)(3x+2)=(4x+2)(6x+7) | | x^2y-2=0 | | 0.3=0.075/(x/20) | | 2x-60=0 | | 12x-3x=-x+8 | | 0=-40p^2+20p+8p+12 | | 3(x+2)=4(2x+9) | | 13x=159 | | 4u^2*-5u^3= | | x^10=20 | | Y=-40x+200x | | X/2-4=14 | | x=.5y^2 | | (x-3)+(x-5)=(30-x)-(x-2) | | 28-2n+6= | | 3p+10=16 | | 3t/5-t/5 | | 3(f-7)=-9 | | 10(s-8)=104 | | 52=3x-13 | | 6k+3=-21 | | 7(3s+9)=273 | | 6(4.5-x)=-11.5 | | 5/3-1/2x=2/9 | | 7y-49= | | Y=-x^2+50x | | 5x+10x=2x+4 | | 5b-a=35 | | 4+3+27+35+8+n=112 | | cosx=2.25 |

Equations solver categories