If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -84x + -91 = 0 Reorder the terms: -91 + -84x + 3x2 = 0 Solving -91 + -84x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -30.33333333 + -28x + x2 = 0 Move the constant term to the right: Add '30.33333333' to each side of the equation. -30.33333333 + -28x + 30.33333333 + x2 = 0 + 30.33333333 Reorder the terms: -30.33333333 + 30.33333333 + -28x + x2 = 0 + 30.33333333 Combine like terms: -30.33333333 + 30.33333333 = 0.00000000 0.00000000 + -28x + x2 = 0 + 30.33333333 -28x + x2 = 0 + 30.33333333 Combine like terms: 0 + 30.33333333 = 30.33333333 -28x + x2 = 30.33333333 The x term is -28x. Take half its coefficient (-14). Square it (196) and add it to both sides. Add '196' to each side of the equation. -28x + 196 + x2 = 30.33333333 + 196 Reorder the terms: 196 + -28x + x2 = 30.33333333 + 196 Combine like terms: 30.33333333 + 196 = 226.33333333 196 + -28x + x2 = 226.33333333 Factor a perfect square on the left side: (x + -14)(x + -14) = 226.33333333 Calculate the square root of the right side: 15.044378795 Break this problem into two subproblems by setting (x + -14) equal to 15.044378795 and -15.044378795.Subproblem 1
x + -14 = 15.044378795 Simplifying x + -14 = 15.044378795 Reorder the terms: -14 + x = 15.044378795 Solving -14 + x = 15.044378795 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = 15.044378795 + 14 Combine like terms: -14 + 14 = 0 0 + x = 15.044378795 + 14 x = 15.044378795 + 14 Combine like terms: 15.044378795 + 14 = 29.044378795 x = 29.044378795 Simplifying x = 29.044378795Subproblem 2
x + -14 = -15.044378795 Simplifying x + -14 = -15.044378795 Reorder the terms: -14 + x = -15.044378795 Solving -14 + x = -15.044378795 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + x = -15.044378795 + 14 Combine like terms: -14 + 14 = 0 0 + x = -15.044378795 + 14 x = -15.044378795 + 14 Combine like terms: -15.044378795 + 14 = -1.044378795 x = -1.044378795 Simplifying x = -1.044378795Solution
The solution to the problem is based on the solutions from the subproblems. x = {29.044378795, -1.044378795}
| 3b^2=24b | | 15(8c-3)=3c-4 | | 12+7n=1n-6 | | 73.5=9.8t+4.9t^2 | | y=-5x+5 | | 14-5n*3n= | | -r+4=8.8r+14 | | 30=k-15 | | 2x(x+1)-3(x-2)=x+6 | | 73.5=9.8t+49t^2 | | 7+11s-1=9s+46-6s | | 13x^2-19x=0 | | 3x=5y-1 | | (1x+6)+(1x+9)+(1x+3)=2(1x+4)+2(1x+1) | | (4x+3)(54e^6x)-54e^6x=0 | | 24(x-1)=-8(3-x)+16x | | v^2-5=-1 | | S=-8t^2+32t | | 4x-40=-12+6x-6x | | -4x-2=x+23 | | 3(x+4)+6=5(X-1) | | 18+-32= | | 4b^2+20b-98=-2 | | Ln(x)+ln(x+3)=2 | | 7-19=-2z | | 5x^2+5y^2-8x-4y-121=0 | | r^2-9r+20=0 | | x^2-16x=17 | | 5y+2x=38 | | -4x-4x=36-4 | | -20d^2-82d+80=0 | | 12a^2-27b^2=0 |