2(3x-4)+(-x^2+5x-3)=

Simple and best practice solution for 2(3x-4)+(-x^2+5x-3)= 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 2(3x-4)+(-x^2+5x-3)= equation:


Simplifying
2(3x + -4) + (-1x2 + 5x + -3) = 0

Reorder the terms:
2(-4 + 3x) + (-1x2 + 5x + -3) = 0
(-4 * 2 + 3x * 2) + (-1x2 + 5x + -3) = 0
(-8 + 6x) + (-1x2 + 5x + -3) = 0

Reorder the terms:
-8 + 6x + (-3 + 5x + -1x2) = 0

Remove parenthesis around (-3 + 5x + -1x2)
-8 + 6x + -3 + 5x + -1x2 = 0

Reorder the terms:
-8 + -3 + 6x + 5x + -1x2 = 0

Combine like terms: -8 + -3 = -11
-11 + 6x + 5x + -1x2 = 0

Combine like terms: 6x + 5x = 11x
-11 + 11x + -1x2 = 0

Solving
-11 + 11x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
11 + -11x + x2 = 0

Move the constant term to the right:

Add '-11' to each side of the equation.
11 + -11x + -11 + x2 = 0 + -11

Reorder the terms:
11 + -11 + -11x + x2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -11x + x2 = 0 + -11
-11x + x2 = 0 + -11

Combine like terms: 0 + -11 = -11
-11x + x2 = -11

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -11 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -11 + 30.25

Combine like terms: -11 + 30.25 = 19.25
30.25 + -11x + x2 = 19.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 19.25

Calculate the square root of the right side: 4.387482194

Break this problem into two subproblems by setting 
(x + -5.5) equal to 4.387482194 and -4.387482194.

Subproblem 1

x + -5.5 = 4.387482194 Simplifying x + -5.5 = 4.387482194 Reorder the terms: -5.5 + x = 4.387482194 Solving -5.5 + x = 4.387482194 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 4.387482194 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 4.387482194 + 5.5 x = 4.387482194 + 5.5 Combine like terms: 4.387482194 + 5.5 = 9.887482194 x = 9.887482194 Simplifying x = 9.887482194

Subproblem 2

x + -5.5 = -4.387482194 Simplifying x + -5.5 = -4.387482194 Reorder the terms: -5.5 + x = -4.387482194 Solving -5.5 + x = -4.387482194 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -4.387482194 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -4.387482194 + 5.5 x = -4.387482194 + 5.5 Combine like terms: -4.387482194 + 5.5 = 1.112517806 x = 1.112517806 Simplifying x = 1.112517806

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.887482194, 1.112517806}

See similar equations:

| -14+6x=5x+15 | | 25+35=12x-56 | | 23-19=2(x-4) | | -[9z-(14z+4)]=4+(4z+1) | | 3p^4-2p^2+7=0 | | p=24+214 | | =200+0.75(Yd)+250+100+(50-0.2Y) | | =200+0.75(Y-0.2Y)+350+49.8Y | | 8x-10=5x-3 | | (-9x+8)-(4x-7)= | | 2y+(4x-100)=180 | | 2(x-1)+2=6x-4(1+x) | | 6(x-8)-4=-7(-2x+6)-2x | | 6(5z-1)-5(z+6)=14(z+1) | | 2000+(-200t)= | | -2(u-5)=-6u-6 | | -43+8x=4x+53 | | 4x^2+18x-20=0 | | 9x+2=9x(x+2) | | -231-2x=-14x+129 | | 5x+6=14x-13 | | 2(n-17)=6 | | -73+10x=111+2x | | 9(5+2d)=81 | | =(200+0.6Y)+250+100 | | -3(z+9)-4(z-4)= | | 4c-130=2c+290 | | (X+7)+17=2x | | 8+3(x-6)=5-2(x-2) | | 8x+9y-9=0 | | -6-13=-8x+13 | | -10-4x-2+3x=1+2x+9 |

Equations solver categories