If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7 = 0.0002x2 + -316x + 127.9 Reorder the terms: 7 = 127.9 + -316x + 0.0002x2 Solving 7 = 127.9 + -316x + 0.0002x2 Solving for variable 'x'. Combine like terms: 7 + -127.9 = -120.9 -120.9 + 316x + -0.0002x2 = 127.9 + -316x + 0.0002x2 + -127.9 + 316x + -0.0002x2 Reorder the terms: -120.9 + 316x + -0.0002x2 = 127.9 + -127.9 + -316x + 316x + 0.0002x2 + -0.0002x2 Combine like terms: 127.9 + -127.9 = 0.0 -120.9 + 316x + -0.0002x2 = 0.0 + -316x + 316x + 0.0002x2 + -0.0002x2 -120.9 + 316x + -0.0002x2 = -316x + 316x + 0.0002x2 + -0.0002x2 Combine like terms: -316x + 316x = 0 -120.9 + 316x + -0.0002x2 = 0 + 0.0002x2 + -0.0002x2 -120.9 + 316x + -0.0002x2 = 0.0002x2 + -0.0002x2 Combine like terms: 0.0002x2 + -0.0002x2 = 0.0000 -120.9 + 316x + -0.0002x2 = 0.0000 Begin completing the square. Divide all terms by -0.0002 the coefficient of the squared term: Divide each side by '-0.0002'. 604500 + -1580000x + x2 = 0 Move the constant term to the right: Add '-604500' to each side of the equation. 604500 + -1580000x + -604500 + x2 = 0 + -604500 Reorder the terms: 604500 + -604500 + -1580000x + x2 = 0 + -604500 Combine like terms: 604500 + -604500 = 0 0 + -1580000x + x2 = 0 + -604500 -1580000x + x2 = 0 + -604500 Combine like terms: 0 + -604500 = -604500 -1580000x + x2 = -604500 The x term is -1580000x. Take half its coefficient (-790000). Square it (624100000000) and add it to both sides. Add '624100000000' to each side of the equation. -1580000x + 624100000000 + x2 = -604500 + 624100000000 Reorder the terms: 624100000000 + -1580000x + x2 = -604500 + 624100000000 Combine like terms: -604500 + 624100000000 = 624099395500 624100000000 + -1580000x + x2 = 624099395500 Factor a perfect square on the left side: (x + -790000)(x + -790000) = 624099395500 Calculate the square root of the right side: 789999.617404971 Break this problem into two subproblems by setting (x + -790000) equal to 789999.617404971 and -789999.617404971.Subproblem 1
x + -790000 = 789999.617404971 Simplifying x + -790000 = 789999.617404971 Reorder the terms: -790000 + x = 789999.617404971 Solving -790000 + x = 789999.617404971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '790000' to each side of the equation. -790000 + 790000 + x = 789999.617404971 + 790000 Combine like terms: -790000 + 790000 = 0 0 + x = 789999.617404971 + 790000 x = 789999.617404971 + 790000 Combine like terms: 789999.617404971 + 790000 = 1579999.617404971 x = 1579999.617404971 Simplifying x = 1579999.617404971Subproblem 2
x + -790000 = -789999.617404971 Simplifying x + -790000 = -789999.617404971 Reorder the terms: -790000 + x = -789999.617404971 Solving -790000 + x = -789999.617404971 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '790000' to each side of the equation. -790000 + 790000 + x = -789999.617404971 + 790000 Combine like terms: -790000 + 790000 = 0 0 + x = -789999.617404971 + 790000 x = -789999.617404971 + 790000 Combine like terms: -789999.617404971 + 790000 = 0.382595029 x = 0.382595029 Simplifying x = 0.382595029Solution
The solution to the problem is based on the solutions from the subproblems. x = {1579999.617404971, 0.382595029}
| 13+11x+9= | | C=0.001x^3+8x+54 | | 7(x-1)=2(3x-7) | | 285=78-x | | 16x^2-167x+385=0 | | 10q+3=-27 | | ln(x)+ln(x-6)=ln(8) | | X(x+1)(x+2)=171 | | (-6+8i)-(-3-8i)= | | y=-1.5x+.5 | | 4+7=x-9 | | -5x+35=-20 | | 2(2x-3)=74 | | 5(2x-4)+3=7(x+1)-(4-3x) | | 15+n=48 | | 5x+35=-20 | | 4x^2+8z+3=0 | | 11=13x | | 9-n=4n | | x+(y+24)=58 | | 7x-2(3+x)=9999 | | 3x-5=-x+15 | | 11v+v^2+18=0 | | -(3x-2)+8=14 | | ln(x)+12=0 | | 6+d=21 | | 5x-3=72 | | fx-gt=h | | 6x-4+x*x=11x | | -4(c+6)+5(-9-3c)= | | log(3)x=17 | | 5x+1=13+x |