-2x^2+16x-12=0

Simple and best practice solution for -2x^2+16x-12=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 -2x^2+16x-12=0 equation:


Simplifying
-2x2 + 16x + -12 = 0

Reorder the terms:
-12 + 16x + -2x2 = 0

Solving
-12 + 16x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + 8x + -1x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + 8x + -1x2)' equal to zero and attempt to solve: Simplifying -6 + 8x + -1x2 = 0 Solving -6 + 8x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 6 + -8x + x2 = 0 Move the constant term to the right: Add '-6' to each side of the equation. 6 + -8x + -6 + x2 = 0 + -6 Reorder the terms: 6 + -6 + -8x + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -8x + x2 = 0 + -6 -8x + x2 = 0 + -6 Combine like terms: 0 + -6 = -6 -8x + x2 = -6 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = -6 + 16 Reorder the terms: 16 + -8x + x2 = -6 + 16 Combine like terms: -6 + 16 = 10 16 + -8x + x2 = 10 Factor a perfect square on the left side: (x + -4)(x + -4) = 10 Calculate the square root of the right side: 3.16227766 Break this problem into two subproblems by setting (x + -4) equal to 3.16227766 and -3.16227766.

Subproblem 1

x + -4 = 3.16227766 Simplifying x + -4 = 3.16227766 Reorder the terms: -4 + x = 3.16227766 Solving -4 + x = 3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 3.16227766 + 4 Combine like terms: -4 + 4 = 0 0 + x = 3.16227766 + 4 x = 3.16227766 + 4 Combine like terms: 3.16227766 + 4 = 7.16227766 x = 7.16227766 Simplifying x = 7.16227766

Subproblem 2

x + -4 = -3.16227766 Simplifying x + -4 = -3.16227766 Reorder the terms: -4 + x = -3.16227766 Solving -4 + x = -3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -3.16227766 + 4 Combine like terms: -4 + 4 = 0 0 + x = -3.16227766 + 4 x = -3.16227766 + 4 Combine like terms: -3.16227766 + 4 = 0.83772234 x = 0.83772234 Simplifying x = 0.83772234

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.16227766, 0.83772234}

Solution

x = {7.16227766, 0.83772234}

See similar equations:

| x+173=143 | | 4x-6x=19-1 | | 5(x)-11=34 | | 4(1-7n)=-192 | | 1/96-1/24 | | (8y+8)+(-2y+-4)+(6y+7)= | | 1/24-1/6 | | (5x-33)=(6x+4) | | G=15+16+23 | | 3X^4-18x^3+12x^2= | | -4(x+5)=-8 | | G=15+16+13 | | -7x+10=-11 | | 4x-1=-0.5x+8 | | 2x2/5=32 | | 0.3/4=4/80 | | 6(2b-4)+7=-101 | | -6x+2=44 | | -15/f=3 | | 2k^2+3=75 | | X+135=x+61 | | -7-5x=43 | | 2250=x+(x*.2) | | x-1/3=-4/5 | | (3+1)=(x+11) | | 8x^3+12x^2-20x= | | 2(x+8)=5(10) | | 23.98-11.99= | | 8-1.5x=3 | | 24*x^2-96*x+104=0 | | 20s=18s+57 | | 5(2x+1)=5x-4 |

Equations solver categories