8(-2x^2+8x+4)=0

Simple and best practice solution for 8(-2x^2+8x+4)=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 8(-2x^2+8x+4)=0 equation:


Simplifying
8(-2x2 + 8x + 4) = 0

Reorder the terms:
8(4 + 8x + -2x2) = 0
(4 * 8 + 8x * 8 + -2x2 * 8) = 0
(32 + 64x + -16x2) = 0

Solving
32 + 64x + -16x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '16'.
16(2 + 4x + -1x2) = 0

Ignore the factor 16.

Subproblem 1

Set the factor '(2 + 4x + -1x2)' equal to zero and attempt to solve: Simplifying 2 + 4x + -1x2 = 0 Solving 2 + 4x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -2 + -4x + x2 = 0 Move the constant term to the right: Add '2' to each side of the equation. -2 + -4x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -4x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -4x + x2 = 0 + 2 -4x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -4x + x2 = 2 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 2 + 4 Reorder the terms: 4 + -4x + x2 = 2 + 4 Combine like terms: 2 + 4 = 6 4 + -4x + x2 = 6 Factor a perfect square on the left side: (x + -2)(x + -2) = 6 Calculate the square root of the right side: 2.449489743 Break this problem into two subproblems by setting (x + -2) equal to 2.449489743 and -2.449489743.

Subproblem 1

x + -2 = 2.449489743 Simplifying x + -2 = 2.449489743 Reorder the terms: -2 + x = 2.449489743 Solving -2 + x = 2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.449489743 + 2 x = 2.449489743 + 2 Combine like terms: 2.449489743 + 2 = 4.449489743 x = 4.449489743 Simplifying x = 4.449489743

Subproblem 2

x + -2 = -2.449489743 Simplifying x + -2 = -2.449489743 Reorder the terms: -2 + x = -2.449489743 Solving -2 + x = -2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.449489743 + 2 x = -2.449489743 + 2 Combine like terms: -2.449489743 + 2 = -0.449489743 x = -0.449489743 Simplifying x = -0.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.449489743, -0.449489743}

Solution

x = {4.449489743, -0.449489743}

See similar equations:

| 16x^2-25y^2+32x-100y+84=0 | | 0=x(5x+.5)-168 | | 32x^2-9x=0 | | 300=p(.03)(10) | | -16t^2+64x+32=0 | | 13r+1=3r-19 | | 6-24=48 | | 9x^2+2=10 | | 2x-3y+z=1 | | 9h+5=86 | | 5x-9=15-x | | 4x-2y+2z=6 | | 18x-(18x-6)=96 | | 7+(-3+-4y)=28 | | 32x^2-9x-24=0 | | y-130=6.5(x-0) | | 0=5x^2-2x+6 | | 16x=x+60 | | 7-(3+4y)=28 | | 3(x^2-7x)=0 | | 92+11x=180 | | 6x=12+6 | | 2cosx=-1 | | 2cose=-1 | | 140=9x+4(4x) | | 3x-y+2z=5 | | x+y+4x-6y-3=0 | | 25x^2-40+16=0 | | -4x^2-24=0 | | 11x+6x=66 | | 64x-8=47x | | 64x-8=49x-2x |

Equations solver categories