2x^2-20x+20=35

Simple and best practice solution for 2x^2-20x+20=35 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^2-20x+20=35 equation:


Simplifying
2x2 + -20x + 20 = 35

Reorder the terms:
20 + -20x + 2x2 = 35

Solving
20 + -20x + 2x2 = 35

Solving for variable 'x'.

Reorder the terms:
20 + -35 + -20x + 2x2 = 35 + -35

Combine like terms: 20 + -35 = -15
-15 + -20x + 2x2 = 35 + -35

Combine like terms: 35 + -35 = 0
-15 + -20x + 2x2 = 0

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

Divide each side by '2'.
-7.5 + -10x + x2 = 0

Move the constant term to the right:

Add '7.5' to each side of the equation.
-7.5 + -10x + 7.5 + x2 = 0 + 7.5

Reorder the terms:
-7.5 + 7.5 + -10x + x2 = 0 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + -10x + x2 = 0 + 7.5
-10x + x2 = 0 + 7.5

Combine like terms: 0 + 7.5 = 7.5
-10x + x2 = 7.5

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 7.5 + 25

Reorder the terms:
25 + -10x + x2 = 7.5 + 25

Combine like terms: 7.5 + 25 = 32.5
25 + -10x + x2 = 32.5

Factor a perfect square on the left side:
(x + -5)(x + -5) = 32.5

Calculate the square root of the right side: 5.700877125

Break this problem into two subproblems by setting 
(x + -5) equal to 5.700877125 and -5.700877125.

Subproblem 1

x + -5 = 5.700877125 Simplifying x + -5 = 5.700877125 Reorder the terms: -5 + x = 5.700877125 Solving -5 + x = 5.700877125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 5.700877125 + 5 Combine like terms: -5 + 5 = 0 0 + x = 5.700877125 + 5 x = 5.700877125 + 5 Combine like terms: 5.700877125 + 5 = 10.700877125 x = 10.700877125 Simplifying x = 10.700877125

Subproblem 2

x + -5 = -5.700877125 Simplifying x + -5 = -5.700877125 Reorder the terms: -5 + x = -5.700877125 Solving -5 + x = -5.700877125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -5.700877125 + 5 Combine like terms: -5 + 5 = 0 0 + x = -5.700877125 + 5 x = -5.700877125 + 5 Combine like terms: -5.700877125 + 5 = -0.700877125 x = -0.700877125 Simplifying x = -0.700877125

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.700877125, -0.700877125}

See similar equations:

| 7x-4=4(2x-1) | | -9s+2=7+5(s+12) | | 2x*5/x | | k/4=4/8 | | 6p-10+7p-3= | | r+3r+2r=16 | | A(n-3)+2=bn | | 5x+3y=170 | | 49=2x-6x+5 | | 3*-10-7=5*-10+13 | | 5x^4-17x^3-12x^2=0 | | 2x+6y-4z=13 | | 3(5j+2)= | | 2/3s-4=8 | | 6-8x-2=-59+5x-15 | | -2(y+4)-7=4y-5 | | 5x-3(-3x+16)=50 | | Cos59=5/x | | 4-6x=x-24 | | -4x+5(-x+16)=-19 | | 1/(y-7)=4 | | 4(n+6)=2(12+2n) | | -6(9+2n)-(1-7n)= | | 3/8m=2 | | 8(-11/2)-2((-11/2)-8) | | V=5(8) | | 7x-4(-3x-10)=-131 | | 1/y-7=4 | | 5w=-100 | | -170=-7x+3(-2x-9) | | M(x)=3x-9 | | 40n+20=8(5n+10) |

Equations solver categories