If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 13x + -8 = 0 Reorder the terms: -8 + 13x + 7x2 = 0 Solving -8 + 13x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -1.142857143 + 1.857142857x + x2 = 0 Move the constant term to the right: Add '1.142857143' to each side of the equation. -1.142857143 + 1.857142857x + 1.142857143 + x2 = 0 + 1.142857143 Reorder the terms: -1.142857143 + 1.142857143 + 1.857142857x + x2 = 0 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + 1.857142857x + x2 = 0 + 1.142857143 1.857142857x + x2 = 0 + 1.142857143 Combine like terms: 0 + 1.142857143 = 1.142857143 1.857142857x + x2 = 1.142857143 The x term is 1.857142857x. Take half its coefficient (0.9285714285). Square it (0.8622448978) and add it to both sides. Add '0.8622448978' to each side of the equation. 1.857142857x + 0.8622448978 + x2 = 1.142857143 + 0.8622448978 Reorder the terms: 0.8622448978 + 1.857142857x + x2 = 1.142857143 + 0.8622448978 Combine like terms: 1.142857143 + 0.8622448978 = 2.0051020408 0.8622448978 + 1.857142857x + x2 = 2.0051020408 Factor a perfect square on the left side: (x + 0.9285714285)(x + 0.9285714285) = 2.0051020408 Calculate the square root of the right side: 1.416016257 Break this problem into two subproblems by setting (x + 0.9285714285) equal to 1.416016257 and -1.416016257.Subproblem 1
x + 0.9285714285 = 1.416016257 Simplifying x + 0.9285714285 = 1.416016257 Reorder the terms: 0.9285714285 + x = 1.416016257 Solving 0.9285714285 + x = 1.416016257 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9285714285' to each side of the equation. 0.9285714285 + -0.9285714285 + x = 1.416016257 + -0.9285714285 Combine like terms: 0.9285714285 + -0.9285714285 = 0.0000000000 0.0000000000 + x = 1.416016257 + -0.9285714285 x = 1.416016257 + -0.9285714285 Combine like terms: 1.416016257 + -0.9285714285 = 0.4874448285 x = 0.4874448285 Simplifying x = 0.4874448285Subproblem 2
x + 0.9285714285 = -1.416016257 Simplifying x + 0.9285714285 = -1.416016257 Reorder the terms: 0.9285714285 + x = -1.416016257 Solving 0.9285714285 + x = -1.416016257 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9285714285' to each side of the equation. 0.9285714285 + -0.9285714285 + x = -1.416016257 + -0.9285714285 Combine like terms: 0.9285714285 + -0.9285714285 = 0.0000000000 0.0000000000 + x = -1.416016257 + -0.9285714285 x = -1.416016257 + -0.9285714285 Combine like terms: -1.416016257 + -0.9285714285 = -2.3445876855 x = -2.3445876855 Simplifying x = -2.3445876855Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.4874448285, -2.3445876855}
| 6+9x^2-2+(6+4)=x | | 4X+8+4=2X+20+8 | | -1/4-3/8 | | 2x+60=8x+6 | | X^2+y^2+4x-8y-5=0 | | 2x+3+6x=(31-8)2 | | 2x+3+6x=(31-8)3 | | 2X+8-X=6-2X-7 | | 3X+9+3=2X+16+6 | | 25z-10z=0 | | 1x+5=6 | | 9X+6X=65+10 | | 8-12x=6(1*x) | | Y=4000x+9000 | | 21x+12x-3x+8x-6=0 | | y=2x^2-11and | | x=(12x/81)=(36/243) | | 67-35x*2y=5 | | 3s+-8=-22 | | 5z^3/z^6=0 | | y=2xp+x^2p^4 | | 4(4x+4)=18x+2 | | 2b+9b=3 | | 3x+8x-9+6-3x=2x+8-9x-3 | | 15=b-(-63) | | .13(4x+2)=.05x+6 | | 5X-15-2=23 | | 1-4x=19-x | | 5x+2y=c | | 7/12-3/8×(9/4)^-1 | | 58+n=58 | | x^2+12x=360 |