If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2 = -4.9x2 + 8x + 1 Reorder the terms: 2 = 1 + 8x + -4.9x2 Solving 2 = 1 + 8x + -4.9x2 Solving for variable 'x'. Combine like terms: 2 + -1 = 1 1 + -8x + 4.9x2 = 1 + 8x + -4.9x2 + -1 + -8x + 4.9x2 Reorder the terms: 1 + -8x + 4.9x2 = 1 + -1 + 8x + -8x + -4.9x2 + 4.9x2 Combine like terms: 1 + -1 = 0 1 + -8x + 4.9x2 = 0 + 8x + -8x + -4.9x2 + 4.9x2 1 + -8x + 4.9x2 = 8x + -8x + -4.9x2 + 4.9x2 Combine like terms: 8x + -8x = 0 1 + -8x + 4.9x2 = 0 + -4.9x2 + 4.9x2 1 + -8x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 1 + -8x + 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'. 0.2040816327 + -1.632653061x + x2 = 0 Move the constant term to the right: Add '-0.2040816327' to each side of the equation. 0.2040816327 + -1.632653061x + -0.2040816327 + x2 = 0 + -0.2040816327 Reorder the terms: 0.2040816327 + -0.2040816327 + -1.632653061x + x2 = 0 + -0.2040816327 Combine like terms: 0.2040816327 + -0.2040816327 = 0.0000000000 0.0000000000 + -1.632653061x + x2 = 0 + -0.2040816327 -1.632653061x + x2 = 0 + -0.2040816327 Combine like terms: 0 + -0.2040816327 = -0.2040816327 -1.632653061x + x2 = -0.2040816327 The x term is -1.632653061x. Take half its coefficient (-0.8163265305). Square it (0.6663890044) and add it to both sides. Add '0.6663890044' to each side of the equation. -1.632653061x + 0.6663890044 + x2 = -0.2040816327 + 0.6663890044 Reorder the terms: 0.6663890044 + -1.632653061x + x2 = -0.2040816327 + 0.6663890044 Combine like terms: -0.2040816327 + 0.6663890044 = 0.4623073717 0.6663890044 + -1.632653061x + x2 = 0.4623073717 Factor a perfect square on the left side: (x + -0.8163265305)(x + -0.8163265305) = 0.4623073717 Calculate the square root of the right side: 0.679931888 Break this problem into two subproblems by setting (x + -0.8163265305) equal to 0.679931888 and -0.679931888.Subproblem 1
x + -0.8163265305 = 0.679931888 Simplifying x + -0.8163265305 = 0.679931888 Reorder the terms: -0.8163265305 + x = 0.679931888 Solving -0.8163265305 + x = 0.679931888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8163265305' to each side of the equation. -0.8163265305 + 0.8163265305 + x = 0.679931888 + 0.8163265305 Combine like terms: -0.8163265305 + 0.8163265305 = 0.0000000000 0.0000000000 + x = 0.679931888 + 0.8163265305 x = 0.679931888 + 0.8163265305 Combine like terms: 0.679931888 + 0.8163265305 = 1.4962584185 x = 1.4962584185 Simplifying x = 1.4962584185Subproblem 2
x + -0.8163265305 = -0.679931888 Simplifying x + -0.8163265305 = -0.679931888 Reorder the terms: -0.8163265305 + x = -0.679931888 Solving -0.8163265305 + x = -0.679931888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8163265305' to each side of the equation. -0.8163265305 + 0.8163265305 + x = -0.679931888 + 0.8163265305 Combine like terms: -0.8163265305 + 0.8163265305 = 0.0000000000 0.0000000000 + x = -0.679931888 + 0.8163265305 x = -0.679931888 + 0.8163265305 Combine like terms: -0.679931888 + 0.8163265305 = 0.1363946425 x = 0.1363946425 Simplifying x = 0.1363946425Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.4962584185, 0.1363946425}
| 21=-7x+4x+9 | | 5r+12=3(r+5) | | 6-6x=6x-9x+15 | | 14+26x=42+19x | | 6x+y-z=-2 | | x^4+4x^2+2.5=0 | | onehalfx+3=5 | | x^4+4x^2-2.5=0 | | 12-6=3b+8 | | 0.90x+15=375 | | 6y+9= | | 5(3-3x)=75 | | 165=15(4-x) | | 7-5x-2x=-49 | | 0.90x+15=442.50 | | (3-2i)-(5+3i)= | | 51=5x+5x+1 | | 2(8+6x)=100 | | x^4+2x^2-16=0 | | 10z-c=15 | | 6x-4=x+24 | | -20=3x-6x+7 | | 2(11-8x)=x-11x | | 39.943/22.7= | | -4(5+2x)=60 | | 38.68+.5x=100 | | 10x(x)-3x-1=0 | | -5x+5-x=59 | | 5(2x-5)=-115 | | 7-14x=-23-19x | | 10a-8-9a=6 | | -7x+2=-86+4x |