If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x2 + 12x + -2 = 0 Reorder the terms: -2 + 12x + -7x2 = 0 Solving -2 + 12x + -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'. 0.2857142857 + -1.714285714x + x2 = 0 Move the constant term to the right: Add '-0.2857142857' to each side of the equation. 0.2857142857 + -1.714285714x + -0.2857142857 + x2 = 0 + -0.2857142857 Reorder the terms: 0.2857142857 + -0.2857142857 + -1.714285714x + x2 = 0 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + -1.714285714x + x2 = 0 + -0.2857142857 -1.714285714x + x2 = 0 + -0.2857142857 Combine like terms: 0 + -0.2857142857 = -0.2857142857 -1.714285714x + x2 = -0.2857142857 The x term is -1.714285714x. Take half its coefficient (-0.857142857). Square it (0.7346938773) and add it to both sides. Add '0.7346938773' to each side of the equation. -1.714285714x + 0.7346938773 + x2 = -0.2857142857 + 0.7346938773 Reorder the terms: 0.7346938773 + -1.714285714x + x2 = -0.2857142857 + 0.7346938773 Combine like terms: -0.2857142857 + 0.7346938773 = 0.4489795916 0.7346938773 + -1.714285714x + x2 = 0.4489795916 Factor a perfect square on the left side: (x + -0.857142857)(x + -0.857142857) = 0.4489795916 Calculate the square root of the right side: 0.670059394 Break this problem into two subproblems by setting (x + -0.857142857) equal to 0.670059394 and -0.670059394.Subproblem 1
x + -0.857142857 = 0.670059394 Simplifying x + -0.857142857 = 0.670059394 Reorder the terms: -0.857142857 + x = 0.670059394 Solving -0.857142857 + x = 0.670059394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.857142857' to each side of the equation. -0.857142857 + 0.857142857 + x = 0.670059394 + 0.857142857 Combine like terms: -0.857142857 + 0.857142857 = 0.000000000 0.000000000 + x = 0.670059394 + 0.857142857 x = 0.670059394 + 0.857142857 Combine like terms: 0.670059394 + 0.857142857 = 1.527202251 x = 1.527202251 Simplifying x = 1.527202251Subproblem 2
x + -0.857142857 = -0.670059394 Simplifying x + -0.857142857 = -0.670059394 Reorder the terms: -0.857142857 + x = -0.670059394 Solving -0.857142857 + x = -0.670059394 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.857142857' to each side of the equation. -0.857142857 + 0.857142857 + x = -0.670059394 + 0.857142857 Combine like terms: -0.857142857 + 0.857142857 = 0.000000000 0.000000000 + x = -0.670059394 + 0.857142857 x = -0.670059394 + 0.857142857 Combine like terms: -0.670059394 + 0.857142857 = 0.187083463 x = 0.187083463 Simplifying x = 0.187083463Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.527202251, 0.187083463}
| 6y^2-8y+5=0 | | abs(2x+6)=-1 | | 8(7a+2)=-33+7a | | 5z*z-15=0 | | 2x+2x+2= | | 4.2y=33.6 | | 23x+7-25x=6-9 | | 3w+3=228 | | 3*w*w+22w+40=0 | | 20h-36-4-4h=9h-99-1 | | 9y=x+3 | | s*s-10s+25=0 | | 15x+28(x-5)=75 | | 3.3x=2.8x+3.5 | | 23x+7-25x=-6-9 | | 8x+15-7x=-5-13 | | 3(m+1)=-15 | | m=a+d | | 40=-4(-5n-1)+6(6+7n) | | 2x-7=3forx | | 3(x+8)=9x+3-6x+21 | | -6m+-8=24 | | 6x-2-(x+2)=3x-18 | | 14=-7a-14 | | 2(6n-2)=8 | | -3+6(-3x-1)= | | 60x^2-122x+60=0 | | 16y=5(3y+62) | | Ax+bx+9=2 | | 1+9x=3(4x+1)-2 | | 13x^2+6x=20 | | 5x^2-29x=4x^2-7x-8 |