If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3.86 = 12.3x + -4.9x2 Solving 3.86 = 12.3x + -4.9x2 Solving for variable 'x'. Reorder the terms: 3.86 + -12.3x + 4.9x2 = 12.3x + -12.3x + -4.9x2 + 4.9x2 Combine like terms: 12.3x + -12.3x = 0.0 3.86 + -12.3x + 4.9x2 = 0.0 + -4.9x2 + 4.9x2 3.86 + -12.3x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 3.86 + -12.3x + 4.9x2 = 0.0 Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 0.787755102 + -2.510204082x + x2 = 0 Move the constant term to the right: Add '-0.787755102' to each side of the equation. 0.787755102 + -2.510204082x + -0.787755102 + x2 = 0 + -0.787755102 Reorder the terms: 0.787755102 + -0.787755102 + -2.510204082x + x2 = 0 + -0.787755102 Combine like terms: 0.787755102 + -0.787755102 = 0.000000000 0.000000000 + -2.510204082x + x2 = 0 + -0.787755102 -2.510204082x + x2 = 0 + -0.787755102 Combine like terms: 0 + -0.787755102 = -0.787755102 -2.510204082x + x2 = -0.787755102 The x term is -2.510204082x. Take half its coefficient (-1.255102041). Square it (1.575281133) and add it to both sides. Add '1.575281133' to each side of the equation. -2.510204082x + 1.575281133 + x2 = -0.787755102 + 1.575281133 Reorder the terms: 1.575281133 + -2.510204082x + x2 = -0.787755102 + 1.575281133 Combine like terms: -0.787755102 + 1.575281133 = 0.787526031 1.575281133 + -2.510204082x + x2 = 0.787526031 Factor a perfect square on the left side: (x + -1.255102041)(x + -1.255102041) = 0.787526031 Calculate the square root of the right side: 0.887426634 Break this problem into two subproblems by setting (x + -1.255102041) equal to 0.887426634 and -0.887426634.Subproblem 1
x + -1.255102041 = 0.887426634 Simplifying x + -1.255102041 = 0.887426634 Reorder the terms: -1.255102041 + x = 0.887426634 Solving -1.255102041 + x = 0.887426634 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.255102041' to each side of the equation. -1.255102041 + 1.255102041 + x = 0.887426634 + 1.255102041 Combine like terms: -1.255102041 + 1.255102041 = 0.000000000 0.000000000 + x = 0.887426634 + 1.255102041 x = 0.887426634 + 1.255102041 Combine like terms: 0.887426634 + 1.255102041 = 2.142528675 x = 2.142528675 Simplifying x = 2.142528675Subproblem 2
x + -1.255102041 = -0.887426634 Simplifying x + -1.255102041 = -0.887426634 Reorder the terms: -1.255102041 + x = -0.887426634 Solving -1.255102041 + x = -0.887426634 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.255102041' to each side of the equation. -1.255102041 + 1.255102041 + x = -0.887426634 + 1.255102041 Combine like terms: -1.255102041 + 1.255102041 = 0.000000000 0.000000000 + x = -0.887426634 + 1.255102041 x = -0.887426634 + 1.255102041 Combine like terms: -0.887426634 + 1.255102041 = 0.367675407 x = 0.367675407 Simplifying x = 0.367675407Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.142528675, 0.367675407}
| 10-5=2x-11 | | [-6x+(4x+3)]=7-(5x+6) | | (5y-11)=104 | | 16-2y=5y+9 | | x^2=18z | | 6.8=a/14 | | 5x+6-3x=34+8x-10 | | 5(t)=-16t^2+40t+5 | | (1-2/5*1/3)/.5 | | (6x+57)=75 | | 6(2x+1)-3-2x=103 | | Fx=x^3-1 | | 3y+2x+5p=2p+3x-2y | | 12x^2+18x-16=0 | | 16=-5+6(s-8) | | iz^5+1-i=0 | | Y=-7/10(x-5) | | 1=3/x | | (1-2/5X1/3)/1/2 | | 3.9=18x-4.9x^2 | | 5=13n+21 | | 8y+48x-40=0 | | 2x^2=936 | | y/4-19=-7 | | 6m+2.3=-7 | | 16t^2-64t-960=0 | | 5z-8=6z-5 | | 2x+x=.116 | | 17=-12+s | | 6-2y-y= | | 3m-6n=9 | | 100i^2-700i+1200=0 |