If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -2x = 3 Reorder the terms: -2x + 7x2 = 3 Solving -2x + 7x2 = 3 Solving for variable 'x'. Reorder the terms: -3 + -2x + 7x2 = 3 + -3 Combine like terms: 3 + -3 = 0 -3 + -2x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -0.4285714286 + -0.2857142857x + x2 = 0 Move the constant term to the right: Add '0.4285714286' to each side of the equation. -0.4285714286 + -0.2857142857x + 0.4285714286 + x2 = 0 + 0.4285714286 Reorder the terms: -0.4285714286 + 0.4285714286 + -0.2857142857x + x2 = 0 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.0000000000 + -0.2857142857x + x2 = 0 + 0.4285714286 -0.2857142857x + x2 = 0 + 0.4285714286 Combine like terms: 0 + 0.4285714286 = 0.4285714286 -0.2857142857x + x2 = 0.4285714286 The x term is -0.2857142857x. Take half its coefficient (-0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. -0.2857142857x + 0.02040816328 + x2 = 0.4285714286 + 0.02040816328 Reorder the terms: 0.02040816328 + -0.2857142857x + x2 = 0.4285714286 + 0.02040816328 Combine like terms: 0.4285714286 + 0.02040816328 = 0.44897959188 0.02040816328 + -0.2857142857x + x2 = 0.44897959188 Factor a perfect square on the left side: (x + -0.1428571429)(x + -0.1428571429) = 0.44897959188 Calculate the square root of the right side: 0.670059394 Break this problem into two subproblems by setting (x + -0.1428571429) equal to 0.670059394 and -0.670059394.Subproblem 1
x + -0.1428571429 = 0.670059394 Simplifying x + -0.1428571429 = 0.670059394 Reorder the terms: -0.1428571429 + x = 0.670059394 Solving -0.1428571429 + x = 0.670059394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + x = 0.670059394 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + x = 0.670059394 + 0.1428571429 x = 0.670059394 + 0.1428571429 Combine like terms: 0.670059394 + 0.1428571429 = 0.8129165369 x = 0.8129165369 Simplifying x = 0.8129165369Subproblem 2
x + -0.1428571429 = -0.670059394 Simplifying x + -0.1428571429 = -0.670059394 Reorder the terms: -0.1428571429 + x = -0.670059394 Solving -0.1428571429 + x = -0.670059394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1428571429' to each side of the equation. -0.1428571429 + 0.1428571429 + x = -0.670059394 + 0.1428571429 Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000 0.0000000000 + x = -0.670059394 + 0.1428571429 x = -0.670059394 + 0.1428571429 Combine like terms: -0.670059394 + 0.1428571429 = -0.5272022511 x = -0.5272022511 Simplifying x = -0.5272022511Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.8129165369, -0.5272022511}
| 6h+3k-5(7h-6k)= | | 0.4+3.91=21.05 | | -4(3y-7)+2(2y+9)= | | 3x-7=77-4x | | 0.6x+3=0.5x-7 | | (1/2)x+4=(3/2)x+1 | | m-7n+5m-3n= | | 7x+5=4c | | (A+1)(a-1)=0 | | (5/4)^-3=0 | | x^2+1x-7140=0 | | N(n-5)=0 | | (4/7)^-2=0 | | 2=(1/3)h-3-(3/4) | | .5x+.2y=3.75 | | 6x-2=16x-121 | | (x-2)/(4)=1/2+4 | | 9(3x+2)=7(x+5)-16 | | -5.9-2.5=-4.9v-0.5 | | -5.9-2.5=-4.9-0.5 | | x/x+10=7/12 | | 3h/h | | -2v+8=-4v+10 | | 68-6=30x+20 | | .5(16-2h)=11 | | M-4=-6m+5+5m-1 | | 9.3x-3.52=-21.7 | | 5x+(2x+3)=7x-(5-x) | | -4t+11=-2t+5 | | 1/2+1/5(1/6) | | 11x^2+44x-12=y | | 8x+(-4)=20 |