7x^2-77x+196=0

Simple and best practice solution for 7x^2-77x+196=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^2-77x+196=0 equation:


Simplifying
7x2 + -77x + 196 = 0

Reorder the terms:
196 + -77x + 7x2 = 0

Solving
196 + -77x + 7x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7'.
7(28 + -11x + x2) = 0

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

Ignore the factor 7.

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 '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {4, 7}

See similar equations:

| 8x+20x-5=7[4x+5] | | 4(x-2)=6 | | x*2x-3*2=3 | | 122-4x=14x+22 | | 3(4x-5)=11(x-1) | | 3x+8=4x-2 | | 8x^2-12x-4896=0 | | 5=n+5 | | 6-9x=72-23x | | 6n-17=3n+7 | | 3600x^2-2730X+390=0 | | 8.1+3.8x-5.6x=-7.2 | | 6-9x=71-23x | | 1.n=8 | | n+1.6=9 | | 3*2x-3*2=3 | | 24x=12x+12 | | 2-(8c)+24-7c= | | x+294=19493959 | | (w+3)(w-12)=0 | | 1.3b(8-b)+3.7b=-5.2 | | n.9=9 | | 7x+6=5x+2 | | 0.25+0.1=9.8 | | 2(-8c)+24-7c= | | (r+7)(r-6)=0 | | 4(6x+10)=2(x-2) | | 0+n=22 | | -13-3x=5-7x | | 5(r+11)+r+11+r=48 | | R=2 | | 8x=2x-3 |

Equations solver categories