If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 8x + -125 = 0 Reorder the terms: -125 + 8x + x2 = 0 Solving -125 + 8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '125' to each side of the equation. -125 + 8x + 125 + x2 = 0 + 125 Reorder the terms: -125 + 125 + 8x + x2 = 0 + 125 Combine like terms: -125 + 125 = 0 0 + 8x + x2 = 0 + 125 8x + x2 = 0 + 125 Combine like terms: 0 + 125 = 125 8x + x2 = 125 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 = 125 + 16 Reorder the terms: 16 + 8x + x2 = 125 + 16 Combine like terms: 125 + 16 = 141 16 + 8x + x2 = 141 Factor a perfect square on the left side: (x + 4)(x + 4) = 141 Calculate the square root of the right side: 11.874342087 Break this problem into two subproblems by setting (x + 4) equal to 11.874342087 and -11.874342087.Subproblem 1
x + 4 = 11.874342087 Simplifying x + 4 = 11.874342087 Reorder the terms: 4 + x = 11.874342087 Solving 4 + x = 11.874342087 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 = 11.874342087 + -4 Combine like terms: 4 + -4 = 0 0 + x = 11.874342087 + -4 x = 11.874342087 + -4 Combine like terms: 11.874342087 + -4 = 7.874342087 x = 7.874342087 Simplifying x = 7.874342087Subproblem 2
x + 4 = -11.874342087 Simplifying x + 4 = -11.874342087 Reorder the terms: 4 + x = -11.874342087 Solving 4 + x = -11.874342087 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 = -11.874342087 + -4 Combine like terms: 4 + -4 = 0 0 + x = -11.874342087 + -4 x = -11.874342087 + -4 Combine like terms: -11.874342087 + -4 = -15.874342087 x = -15.874342087 Simplifying x = -15.874342087Solution
The solution to the problem is based on the solutions from the subproblems. x = {7.874342087, -15.874342087}
| x^2-4-2x=0 | | 0.9(20x-8)=4-(x+5) | | 3w-blank+2=2w+3 | | x/4-8=1 | | 6+77x=44x+12 | | 2ax=x+3b | | a=27+-1b+-1c | | 2y^2=-5+12 | | 2a+b+c=30 | | -4+-4=-8+10x | | 440-[30+6(19-2)]= | | 5r-2+4r=4 | | 2w^2=56-6w | | 53-3x=11-9x | | c^2-6c+8=0 | | (4x-3)(x^2-6x+8)=0 | | 10x+9= | | 6+11x=-44+x | | -6=5x+9-20x | | y=cos(2x^3) | | (4x+3)(x^2-15x+54)=0 | | 20+5(3x+1)=8-3(4x-2) | | 2(6+3x)-4(5+x)=7x+3(4-6x) | | 3(x+y)+2(x-3y)= | | 15x^2+57x-12=0 | | 5r-2=4r+2 | | 40-6x=12-10x | | h=-6t^2+30t+1 | | 3x^2-11x+30=0 | | 6x-19=2x+7 | | 5x+3=2(x-q) | | 2x+(-21)=5x |