X+7X^2=8

Simple and best practice solution for X+7X^2=8 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 X+7X^2=8 equation:


Simplifying
X + 7X2 = 8

Solving
X + 7X2 = 8

Solving for variable 'X'.

Reorder the terms:
-8 + X + 7X2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + X + 7X2 = 0

Factor a trinomial.
(-8 + -7X)(1 + -1X) = 0

Subproblem 1

Set the factor '(-8 + -7X)' equal to zero and attempt to solve: Simplifying -8 + -7X = 0 Solving -8 + -7X = 0 Move all terms containing X to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -7X = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -7X = 0 + 8 -7X = 0 + 8 Combine like terms: 0 + 8 = 8 -7X = 8 Divide each side by '-7'. X = -1.142857143 Simplifying X = -1.142857143

Subproblem 2

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

Solution

X = {-1.142857143, 1}

See similar equations:

| 7a=[3a-1]-2 | | 53-2x=10x+7 | | 3x+5(2x-4)=-1-6x | | -6n+10=-4n-16 | | 9d^2-16t^2=0 | | 5x+9-7x=18-15x+13x-9 | | 33t-33=6t-15 | | -2m-4=-4 | | a^2-8a+6=0 | | 9x-(8x+4)=6x-49 | | .8+.25t=.6 | | -2y(7y+5)= | | 6(4x-5)+5=24x-25 | | -9Y-3=-8y-8 | | -4(z-5)=-3z-9 | | 3-n=-16 | | 3x^3+6x^2+12x+8=0 | | x^4-4x^3+2x^2+4x+1=0 | | .6-.66=.5+.75 | | M-5-9=21 | | 1-5+(-4)= | | 5x+81=3 | | 4x-4-6x=3 | | ln(x+4)+ln(x-2)=0 | | -5t^2-10t+50=0 | | -(-3y-5z+2)= | | 3x(x-7)=3 | | 4x-7+5(x-3)=2x-1 | | 15y-x=2(x+3) | | 6(2x-5)=-1(x+4) | | 2(2x+4)=36-6x | | 2ln(4x)=6 |

Equations solver categories