49x^2-126x+81=0

Simple and best practice solution for 49x^2-126x+81=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 49x^2-126x+81=0 equation:


Simplifying
49x2 + -126x + 81 = 0

Reorder the terms:
81 + -126x + 49x2 = 0

Solving
81 + -126x + 49x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + -7x)(9 + -7x) = 0

Subproblem 1

Set the factor '(9 + -7x)' equal to zero and attempt to solve: Simplifying 9 + -7x = 0 Solving 9 + -7x = 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 + -7x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7x = 0 + -9 -7x = 0 + -9 Combine like terms: 0 + -9 = -9 -7x = -9 Divide each side by '-7'. x = 1.285714286 Simplifying x = 1.285714286

Subproblem 2

Set the factor '(9 + -7x)' equal to zero and attempt to solve: Simplifying 9 + -7x = 0 Solving 9 + -7x = 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 + -7x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7x = 0 + -9 -7x = 0 + -9 Combine like terms: 0 + -9 = -9 -7x = -9 Divide each side by '-7'. x = 1.285714286 Simplifying x = 1.285714286

Solution

x = {1.285714286, 1.285714286}

See similar equations:

| 0.7-0.1(9-2x)=-0.9(x-7) | | Sin(2-4x)=0 | | x^2-6x+24y+57=0 | | 6m+7=5m+9 | | 5m-1-m=4m | | 6(w+3)=5(w+6) | | (6-z)(2z-1)=0 | | x+0.015x=93 | | x^4+3x^2+10=0 | | 5t-3=2(4-3t) | | 29.8-4u=4.2 | | 6x-10=30 | | 2x+5y+13z=0 | | x^2-4xy+y^3+4y=0 | | z=0.1xy | | x^14-y^8=0 | | in(x-2)+in(x+3)=1 | | 6(x-6)=(ax-a) | | 10x=5+6x+29 | | 5a^2-14a-24=0 | | 3(2x-7)=39 | | 16x^2+8x+7=0 | | 2a-2b+a^2-b^2=0 | | 6x+7y=500 | | 500=6x+7y | | 45=0.15x | | 0.4x^5-0.5x= | | (6x-3y+2)dx-(y-2x+1)dy=0 | | x^4+47x^2-98=0 | | .15(w+2)=0.3+0.2w | | x^2+4x-31=0 | | 7-4.9t=15t+7.6t |

Equations solver categories