If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8x2 + -5x + -7 = 2 Reorder the terms: -7 + -5x + 8x2 = 2 Solving -7 + -5x + 8x2 = 2 Solving for variable 'x'. Reorder the terms: -7 + -2 + -5x + 8x2 = 2 + -2 Combine like terms: -7 + -2 = -9 -9 + -5x + 8x2 = 2 + -2 Combine like terms: 2 + -2 = 0 -9 + -5x + 8x2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -1.125 + -0.625x + x2 = 0 Move the constant term to the right: Add '1.125' to each side of the equation. -1.125 + -0.625x + 1.125 + x2 = 0 + 1.125 Reorder the terms: -1.125 + 1.125 + -0.625x + x2 = 0 + 1.125 Combine like terms: -1.125 + 1.125 = 0.000 0.000 + -0.625x + x2 = 0 + 1.125 -0.625x + x2 = 0 + 1.125 Combine like terms: 0 + 1.125 = 1.125 -0.625x + x2 = 1.125 The x term is -0.625x. Take half its coefficient (-0.3125). Square it (0.09765625) and add it to both sides. Add '0.09765625' to each side of the equation. -0.625x + 0.09765625 + x2 = 1.125 + 0.09765625 Reorder the terms: 0.09765625 + -0.625x + x2 = 1.125 + 0.09765625 Combine like terms: 1.125 + 0.09765625 = 1.22265625 0.09765625 + -0.625x + x2 = 1.22265625 Factor a perfect square on the left side: (x + -0.3125)(x + -0.3125) = 1.22265625 Calculate the square root of the right side: 1.105737876 Break this problem into two subproblems by setting (x + -0.3125) equal to 1.105737876 and -1.105737876.Subproblem 1
x + -0.3125 = 1.105737876 Simplifying x + -0.3125 = 1.105737876 Reorder the terms: -0.3125 + x = 1.105737876 Solving -0.3125 + x = 1.105737876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3125' to each side of the equation. -0.3125 + 0.3125 + x = 1.105737876 + 0.3125 Combine like terms: -0.3125 + 0.3125 = 0.0000 0.0000 + x = 1.105737876 + 0.3125 x = 1.105737876 + 0.3125 Combine like terms: 1.105737876 + 0.3125 = 1.418237876 x = 1.418237876 Simplifying x = 1.418237876Subproblem 2
x + -0.3125 = -1.105737876 Simplifying x + -0.3125 = -1.105737876 Reorder the terms: -0.3125 + x = -1.105737876 Solving -0.3125 + x = -1.105737876 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3125' to each side of the equation. -0.3125 + 0.3125 + x = -1.105737876 + 0.3125 Combine like terms: -0.3125 + 0.3125 = 0.0000 0.0000 + x = -1.105737876 + 0.3125 x = -1.105737876 + 0.3125 Combine like terms: -1.105737876 + 0.3125 = -0.793237876 x = -0.793237876 Simplifying x = -0.793237876Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.418237876, -0.793237876}
| 6x^2+25=-25x | | 2w+1=w | | 10h+8=10 | | 5x+10=2x+10 | | 51-4x=14x+17 | | 222-7x=38x+17 | | x^2+6x=x+14 | | 8-9x=108-37x | | 115-5x=5x+11 | | -3+4x^2=2 | | -137-10x=7x+16 | | 2b^2-9=12b | | 3x^2-x^2=10 | | (x+2)(2x+5)=36 | | 9x^4-8x^2-1=0 | | 14=3x-35 | | 2x+4=340 | | (6x^2-5x)(6x^2+5x)= | | -56=-6x+4 | | 4x^2-2=1 | | 7+9r+10k-5r-3k-24= | | (6x^2-5x)(6x^2+5)= | | 150+30(x+2.50)=500 | | x^2+18x-175=0 | | 3(2y-1)= | | 3g-1=2g+8 | | z^2=6z-2 | | 2x-5=10-69 | | x^2-17x+25=-5x-2 | | 3w+2=2+-10w | | -20+13s+10p-2s-4p-26= | | r^2+2t-224=o |