If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 4 + -8x = 0 Reorder the terms: 4 + -8x + x2 = 0 Solving 4 + -8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + -8x + -4 + x2 = 0 + -4 Reorder the terms: 4 + -4 + -8x + x2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -8x + x2 = 0 + -4 -8x + x2 = 0 + -4 Combine like terms: 0 + -4 = -4 -8x + x2 = -4 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 = -4 + 16 Reorder the terms: 16 + -8x + x2 = -4 + 16 Combine like terms: -4 + 16 = 12 16 + -8x + x2 = 12 Factor a perfect square on the left side: (x + -4)(x + -4) = 12 Calculate the square root of the right side: 3.464101615 Break this problem into two subproblems by setting (x + -4) equal to 3.464101615 and -3.464101615.Subproblem 1
x + -4 = 3.464101615 Simplifying x + -4 = 3.464101615 Reorder the terms: -4 + x = 3.464101615 Solving -4 + x = 3.464101615 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 = 3.464101615 + 4 Combine like terms: -4 + 4 = 0 0 + x = 3.464101615 + 4 x = 3.464101615 + 4 Combine like terms: 3.464101615 + 4 = 7.464101615 x = 7.464101615 Simplifying x = 7.464101615Subproblem 2
x + -4 = -3.464101615 Simplifying x + -4 = -3.464101615 Reorder the terms: -4 + x = -3.464101615 Solving -4 + x = -3.464101615 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 = -3.464101615 + 4 Combine like terms: -4 + 4 = 0 0 + x = -3.464101615 + 4 x = -3.464101615 + 4 Combine like terms: -3.464101615 + 4 = 0.535898385 x = 0.535898385 Simplifying x = 0.535898385Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.464101615, 0.535898385}
| 4k^2+5=201 | | (3n^2)^2/4n×(2n^3)^4 | | 2(4)-5(-5)=-30 | | -12/7h=-36 | | -5x-3=x+15 | | 4x^2+4xy+y^2+4x-8y-4=0 | | 18-f=34 | | 3h+7v=22 | | 5r^2+3r=8 | | 7x-5+15x+3+4x=180 | | 15=5/6n | | a(3+4)= | | 5m-21=-2m | | 0.4-72=90 | | 30-8x=4x-42 | | -6(2t+8)=-96 | | 7=14w | | (4+2x)-(3x-x^2+6)= | | 7=4w | | 7k^2-26k=-15 | | 5x+5+6x= | | 3n-7+2n=-22 | | 5x^6=60 | | A+9-3=-3 | | 50+0.75k=25+1.25k | | 8+-2=5t+7 | | 50+0.75k=25+1.25 | | X+16=-47 | | 5x-7+3x-4= | | 8+4x=-7x+107 | | Y=0.33x-1 | | -45=9/5n |