If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -4.9x2 + -8x + 750 = 0 Reorder the terms: 750 + -8x + -4.9x2 = 0 Solving 750 + -8x + -4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. -153.0612245 + 1.632653061x + x2 = 0 Move the constant term to the right: Add '153.0612245' to each side of the equation. -153.0612245 + 1.632653061x + 153.0612245 + x2 = 0 + 153.0612245 Reorder the terms: -153.0612245 + 153.0612245 + 1.632653061x + x2 = 0 + 153.0612245 Combine like terms: -153.0612245 + 153.0612245 = 0.0000000 0.0000000 + 1.632653061x + x2 = 0 + 153.0612245 1.632653061x + x2 = 0 + 153.0612245 Combine like terms: 0 + 153.0612245 = 153.0612245 1.632653061x + x2 = 153.0612245 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 = 153.0612245 + 0.6663890044 Reorder the terms: 0.6663890044 + 1.632653061x + x2 = 153.0612245 + 0.6663890044 Combine like terms: 153.0612245 + 0.6663890044 = 153.7276135044 0.6663890044 + 1.632653061x + x2 = 153.7276135044 Factor a perfect square on the left side: (x + 0.8163265305)(x + 0.8163265305) = 153.7276135044 Calculate the square root of the right side: 12.398694024 Break this problem into two subproblems by setting (x + 0.8163265305) equal to 12.398694024 and -12.398694024.Subproblem 1
x + 0.8163265305 = 12.398694024 Simplifying x + 0.8163265305 = 12.398694024 Reorder the terms: 0.8163265305 + x = 12.398694024 Solving 0.8163265305 + x = 12.398694024 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 = 12.398694024 + -0.8163265305 Combine like terms: 0.8163265305 + -0.8163265305 = 0.0000000000 0.0000000000 + x = 12.398694024 + -0.8163265305 x = 12.398694024 + -0.8163265305 Combine like terms: 12.398694024 + -0.8163265305 = 11.5823674935 x = 11.5823674935 Simplifying x = 11.5823674935Subproblem 2
x + 0.8163265305 = -12.398694024 Simplifying x + 0.8163265305 = -12.398694024 Reorder the terms: 0.8163265305 + x = -12.398694024 Solving 0.8163265305 + x = -12.398694024 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 = -12.398694024 + -0.8163265305 Combine like terms: 0.8163265305 + -0.8163265305 = 0.0000000000 0.0000000000 + x = -12.398694024 + -0.8163265305 x = -12.398694024 + -0.8163265305 Combine like terms: -12.398694024 + -0.8163265305 = -13.2150205545 x = -13.2150205545 Simplifying x = -13.2150205545Solution
The solution to the problem is based on the solutions from the subproblems. x = {11.5823674935, -13.2150205545}
| 3a+4b=10 | | 750-8x-4.9t^2=0 | | 3a+4ac=10 | | z^8+(3-i)z^4-3i=0 | | 7x-2y=9 | | 35-12=6.14 | | x+x-20=80 | | 6ab=3a | | 1x-2x=4-3 | | 6=5r-16 | | 6=5r-10 | | 2x-5=1x+15 | | p=24I-1.5I^2 | | Bx+Cy=Dsolvey | | 3x=(2x+66)/2 | | 4x(4x)-2x(2x)= | | -1x-1x+8=0 | | 55-5.5w=220 | | 3-16x-8x^2=0 | | 9x+28-7x= | | y=3+4(-3) | | 5(3-7+4)= | | 13x^2+8x=75 | | 2x^2+31x+42=0 | | 4x^2=46x+140 | | 8x=3+2x | | 4y+8=6y+8 | | 4x^2=46+140 | | 2X-5Y-3=0 | | 5c^2+55x=210 | | 3x(x-10)=168 | | 72x^4-32x^2+1=0 |