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 + 8.5x + 130 = 0 Reorder the terms: 130 + 8.5x + -4.9x2 = 0 Solving 130 + 8.5x + -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'. -26.53061224 + -1.734693878x + x2 = 0 Move the constant term to the right: Add '26.53061224' to each side of the equation. -26.53061224 + -1.734693878x + 26.53061224 + x2 = 0 + 26.53061224 Reorder the terms: -26.53061224 + 26.53061224 + -1.734693878x + x2 = 0 + 26.53061224 Combine like terms: -26.53061224 + 26.53061224 = 0.00000000 0.00000000 + -1.734693878x + x2 = 0 + 26.53061224 -1.734693878x + x2 = 0 + 26.53061224 Combine like terms: 0 + 26.53061224 = 26.53061224 -1.734693878x + x2 = 26.53061224 The x term is -1.734693878x. Take half its coefficient (-0.867346939). Square it (0.7522907126) and add it to both sides. Add '0.7522907126' to each side of the equation. -1.734693878x + 0.7522907126 + x2 = 26.53061224 + 0.7522907126 Reorder the terms: 0.7522907126 + -1.734693878x + x2 = 26.53061224 + 0.7522907126 Combine like terms: 26.53061224 + 0.7522907126 = 27.2829029526 0.7522907126 + -1.734693878x + x2 = 27.2829029526 Factor a perfect square on the left side: (x + -0.867346939)(x + -0.867346939) = 27.2829029526 Calculate the square root of the right side: 5.223303835 Break this problem into two subproblems by setting (x + -0.867346939) equal to 5.223303835 and -5.223303835.Subproblem 1
x + -0.867346939 = 5.223303835 Simplifying x + -0.867346939 = 5.223303835 Reorder the terms: -0.867346939 + x = 5.223303835 Solving -0.867346939 + x = 5.223303835 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.867346939' to each side of the equation. -0.867346939 + 0.867346939 + x = 5.223303835 + 0.867346939 Combine like terms: -0.867346939 + 0.867346939 = 0.000000000 0.000000000 + x = 5.223303835 + 0.867346939 x = 5.223303835 + 0.867346939 Combine like terms: 5.223303835 + 0.867346939 = 6.090650774 x = 6.090650774 Simplifying x = 6.090650774Subproblem 2
x + -0.867346939 = -5.223303835 Simplifying x + -0.867346939 = -5.223303835 Reorder the terms: -0.867346939 + x = -5.223303835 Solving -0.867346939 + x = -5.223303835 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.867346939' to each side of the equation. -0.867346939 + 0.867346939 + x = -5.223303835 + 0.867346939 Combine like terms: -0.867346939 + 0.867346939 = 0.000000000 0.000000000 + x = -5.223303835 + 0.867346939 x = -5.223303835 + 0.867346939 Combine like terms: -5.223303835 + 0.867346939 = -4.355956896 x = -4.355956896 Simplifying x = -4.355956896Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.090650774, -4.355956896}
| 3=n-6 | | (2x+8)+(3x+16)+(4x-18)+(3x-7)+(2x+25)=180 | | 8x-32=6x+58 | | 2x+7=5x/2 | | 10(9+d)=210 | | 54-(3x+7)=3(x+4)+x | | 38x+3=180 | | 10*9+d=44100 | | 8y-2y=48 | | (3x^2+y^2)dx+(2xy)dy=0 | | 4-12=x-14 | | 4a+3b-2a-3b= | | 10(6t+1)-12=t-(t+1) | | k^2-(4*1*(-k+1))=7 | | (-3w+2)=-20 | | 3s^2-5s= | | 5n-4-4n=0 | | 0.3d=0.6 | | 2x^2-15x-3=5 | | 6+4(1+5m)=150 | | 3(2x-1)-4(3x-2)=10 | | 6a+2+2a=34 | | 5.7-8.1= | | x^2-kx-k+1=-7 | | 10*9+d=210 | | 8d+2d+6d+4-2d=0 | | -y-5.9=-3 | | 55n+55=60 | | 4x+4+2x=28 | | 19a+5a= | | 0.55x+0.05(8-x)=0.10(-6) | | (4x+8y)-(11x-3y+6)= |