7x^2-18x+8=0

Simple and best practice solution for 7x^2-18x+8=0 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 7x^2-18x+8=0 equation:


Simplifying
7x2 + -18x + 8 = 0

Reorder the terms:
8 + -18x + 7x2 = 0

Solving
8 + -18x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4 + -7x)(2 + -1x) = 0

Subproblem 1

Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 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 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Subproblem 2

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

Solution

x = {0.5714285714, 2}

See similar equations:

| -3a^4(-9a^4-9a-9)=0 | | 2x^2(2x^4+3)=0 | | 15x+1=9x+7 | | 5w(-4w^3+3w+1)=0 | | 5y+2=7 | | -3a^5(-4a^2+8)=0 | | 5x+6z=2+8Y | | 10x-20=7x+4 | | 9-3x-6x^2=0 | | 5x-19=2x-4 | | 6n(-3n^4+6n+2)=0 | | -7(x-1)=(x-3) | | x-(-14)=-12 | | -4(y-2)=-16 | | 7+ln(x+1)=8 | | (3x^3+5x+9)+(-2x^3-2x)=0 | | 4t-3=2t-7 | | (-b-c+8)+(7b-7c-b)=0 | | x+(-8)=16 | | x+(-4)=4 | | x+(-3)=-7 | | 4(n-6)=5 | | 2n+s=13 | | x+29=49 | | 1s=2(9+4)+3 | | (3x-1)(x+7)(x-2)=0 | | 29x-8=35x-18 | | 4a^2+28ab+49b^2=0 | | x+32=75 | | 3n+8=2a | | x+3=-6+2x | | (-8a^3-7a-8)+(a^3-a+3)=0 |

Equations solver categories