If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 19x2 + -30x + -77 = 0 Reorder the terms: -77 + -30x + 19x2 = 0 Solving -77 + -30x + 19x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 19 the coefficient of the squared term: Divide each side by '19'. -4.052631579 + -1.578947368x + x2 = 0 Move the constant term to the right: Add '4.052631579' to each side of the equation. -4.052631579 + -1.578947368x + 4.052631579 + x2 = 0 + 4.052631579 Reorder the terms: -4.052631579 + 4.052631579 + -1.578947368x + x2 = 0 + 4.052631579 Combine like terms: -4.052631579 + 4.052631579 = 0.000000000 0.000000000 + -1.578947368x + x2 = 0 + 4.052631579 -1.578947368x + x2 = 0 + 4.052631579 Combine like terms: 0 + 4.052631579 = 4.052631579 -1.578947368x + x2 = 4.052631579 The x term is -1.578947368x. Take half its coefficient (-0.789473684). Square it (0.6232686977) and add it to both sides. Add '0.6232686977' to each side of the equation. -1.578947368x + 0.6232686977 + x2 = 4.052631579 + 0.6232686977 Reorder the terms: 0.6232686977 + -1.578947368x + x2 = 4.052631579 + 0.6232686977 Combine like terms: 4.052631579 + 0.6232686977 = 4.6759002767 0.6232686977 + -1.578947368x + x2 = 4.6759002767 Factor a perfect square on the left side: (x + -0.789473684)(x + -0.789473684) = 4.6759002767 Calculate the square root of the right side: 2.162383009 Break this problem into two subproblems by setting (x + -0.789473684) equal to 2.162383009 and -2.162383009.Subproblem 1
x + -0.789473684 = 2.162383009 Simplifying x + -0.789473684 = 2.162383009 Reorder the terms: -0.789473684 + x = 2.162383009 Solving -0.789473684 + x = 2.162383009 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.789473684' to each side of the equation. -0.789473684 + 0.789473684 + x = 2.162383009 + 0.789473684 Combine like terms: -0.789473684 + 0.789473684 = 0.000000000 0.000000000 + x = 2.162383009 + 0.789473684 x = 2.162383009 + 0.789473684 Combine like terms: 2.162383009 + 0.789473684 = 2.951856693 x = 2.951856693 Simplifying x = 2.951856693Subproblem 2
x + -0.789473684 = -2.162383009 Simplifying x + -0.789473684 = -2.162383009 Reorder the terms: -0.789473684 + x = -2.162383009 Solving -0.789473684 + x = -2.162383009 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.789473684' to each side of the equation. -0.789473684 + 0.789473684 + x = -2.162383009 + 0.789473684 Combine like terms: -0.789473684 + 0.789473684 = 0.000000000 0.000000000 + x = -2.162383009 + 0.789473684 x = -2.162383009 + 0.789473684 Combine like terms: -2.162383009 + 0.789473684 = -1.372909325 x = -1.372909325 Simplifying x = -1.372909325Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.951856693, -1.372909325}
| 135+2x=180 | | 3(5)+y=-8 | | x+8+2=15 | | 6x-8=7(8-8x)-2 | | Y+5y=42 | | 2x-25=36x-24 | | -20x=-4+12x | | 4x-6y+70=180 | | -9-3x=-3(4x-6) | | -2x+12-7x=-2 | | 5x-12=-23 | | -4(x+10)-6=11 | | 3x^2-78x+500=0 | | 2a-9a=21 | | -5x=30x+35 | | 64x^6-25y^4=0 | | x^2=15x+326 | | t(n)=3n+18 | | -37+4r=2-5(4+3r) | | 2-5(x+2)= | | 4(a-4)=27 | | -9x+6y=12 | | 8x+6y=300 | | 6n+34=2(n+6)-7n | | (-2-3r)+8r=-86 | | -32+2x=-3+58 | | X-3/85/6 | | 2xy/7x | | y+9-4y=33 | | x-8+2x=-7x+9+10x | | 7x=1.4y | | 5x-15-4x=3 |