2x^2-11x+2=64

Simple and best practice solution for 2x^2-11x+2=64 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 2x^2-11x+2=64 equation:


Simplifying
2x2 + -11x + 2 = 64

Reorder the terms:
2 + -11x + 2x2 = 64

Solving
2 + -11x + 2x2 = 64

Solving for variable 'x'.

Reorder the terms:
2 + -64 + -11x + 2x2 = 64 + -64

Combine like terms: 2 + -64 = -62
-62 + -11x + 2x2 = 64 + -64

Combine like terms: 64 + -64 = 0
-62 + -11x + 2x2 = 0

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
-31 + -5.5x + x2 = 0

Move the constant term to the right:

Add '31' to each side of the equation.
-31 + -5.5x + 31 + x2 = 0 + 31

Reorder the terms:
-31 + 31 + -5.5x + x2 = 0 + 31

Combine like terms: -31 + 31 = 0
0 + -5.5x + x2 = 0 + 31
-5.5x + x2 = 0 + 31

Combine like terms: 0 + 31 = 31
-5.5x + x2 = 31

The x term is -5.5x.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5x + 7.5625 + x2 = 31 + 7.5625

Reorder the terms:
7.5625 + -5.5x + x2 = 31 + 7.5625

Combine like terms: 31 + 7.5625 = 38.5625
7.5625 + -5.5x + x2 = 38.5625

Factor a perfect square on the left side:
(x + -2.75)(x + -2.75) = 38.5625

Calculate the square root of the right side: 6.209871174

Break this problem into two subproblems by setting 
(x + -2.75) equal to 6.209871174 and -6.209871174.

Subproblem 1

x + -2.75 = 6.209871174 Simplifying x + -2.75 = 6.209871174 Reorder the terms: -2.75 + x = 6.209871174 Solving -2.75 + x = 6.209871174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = 6.209871174 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = 6.209871174 + 2.75 x = 6.209871174 + 2.75 Combine like terms: 6.209871174 + 2.75 = 8.959871174 x = 8.959871174 Simplifying x = 8.959871174

Subproblem 2

x + -2.75 = -6.209871174 Simplifying x + -2.75 = -6.209871174 Reorder the terms: -2.75 + x = -6.209871174 Solving -2.75 + x = -6.209871174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + x = -6.209871174 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + x = -6.209871174 + 2.75 x = -6.209871174 + 2.75 Combine like terms: -6.209871174 + 2.75 = -3.459871174 x = -3.459871174 Simplifying x = -3.459871174

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.959871174, -3.459871174}

See similar equations:

| 10m-24=46 | | 36-(38y)-36+(-37)=18 | | 12x=69 | | 28=7(x+3) | | 4x+4x+4x+876=0 | | 4m+2=5m-8 | | -3x(x-6)=4(2x+3) | | 2(3x-7)+4=50 | | 6(x+5)+4=9x-3(x-4) | | 3+4(3x-4)=5-5(2x+1) | | 8+4(4x-6)=9-5(2x+1) | | 2(x+7)=9x+8-7x-6 | | 7x^2-5x+7=0 | | 0.4(3z+6)+18.6=0.6(3z-5) | | Jah= | | 3.4x=2.7x+4.2 | | x^2-(-12x)+32=0 | | 9x-4y=-34 | | x+(3+x)=41 | | 3(-1)+2y=3 | | 6x+7y=31 | | 3-2y=-9 | | 3-2=-9 | | 9(z+2)-3(z-2)=3(z-2)+2(z-1) | | X^2+ax+a+2=0 | | 4(2x-7)-3=4(x-3)+5 | | 2=.8x^2+1.8x | | -.25[-4+(-5)]+a=16.25 | | 16x-(8x-9)=65 | | 3(6z+1)-7=104 | | 2x-7x+17=3x+25 | | 5x+7x-4x=18+6 |

Equations solver categories