If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 84 + -53x = 0 Reorder the terms: 84 + -53x + 7x2 = 0 Solving 84 + -53x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 12 + -7.571428571x + x2 = 0 Move the constant term to the right: Add '-12' to each side of the equation. 12 + -7.571428571x + -12 + x2 = 0 + -12 Reorder the terms: 12 + -12 + -7.571428571x + x2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -7.571428571x + x2 = 0 + -12 -7.571428571x + x2 = 0 + -12 Combine like terms: 0 + -12 = -12 -7.571428571x + x2 = -12 The x term is -7.571428571x. Take half its coefficient (-3.785714286). Square it (14.33163266) and add it to both sides. Add '14.33163266' to each side of the equation. -7.571428571x + 14.33163266 + x2 = -12 + 14.33163266 Reorder the terms: 14.33163266 + -7.571428571x + x2 = -12 + 14.33163266 Combine like terms: -12 + 14.33163266 = 2.33163266 14.33163266 + -7.571428571x + x2 = 2.33163266 Factor a perfect square on the left side: (x + -3.785714286)(x + -3.785714286) = 2.33163266 Calculate the square root of the right side: 1.526968454 Break this problem into two subproblems by setting (x + -3.785714286) equal to 1.526968454 and -1.526968454.Subproblem 1
x + -3.785714286 = 1.526968454 Simplifying x + -3.785714286 = 1.526968454 Reorder the terms: -3.785714286 + x = 1.526968454 Solving -3.785714286 + x = 1.526968454 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.785714286' to each side of the equation. -3.785714286 + 3.785714286 + x = 1.526968454 + 3.785714286 Combine like terms: -3.785714286 + 3.785714286 = 0.000000000 0.000000000 + x = 1.526968454 + 3.785714286 x = 1.526968454 + 3.785714286 Combine like terms: 1.526968454 + 3.785714286 = 5.31268274 x = 5.31268274 Simplifying x = 5.31268274Subproblem 2
x + -3.785714286 = -1.526968454 Simplifying x + -3.785714286 = -1.526968454 Reorder the terms: -3.785714286 + x = -1.526968454 Solving -3.785714286 + x = -1.526968454 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.785714286' to each side of the equation. -3.785714286 + 3.785714286 + x = -1.526968454 + 3.785714286 Combine like terms: -3.785714286 + 3.785714286 = 0.000000000 0.000000000 + x = -1.526968454 + 3.785714286 x = -1.526968454 + 3.785714286 Combine like terms: -1.526968454 + 3.785714286 = 2.258745832 x = 2.258745832 Simplifying x = 2.258745832Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.31268274, 2.258745832}
| 2x-1=12x-54 | | 3(y+9)+4=y+11 | | 7x-4(2x-2)+7=-2(3x-3)+6.4 | | 12-6x^2=(2x+3)(5-3x) | | 26+x-12= | | 49x^(-5/8)-8/7x^7/8 | | Lemon=25-17 | | H+34=78 | | -52=b-(-73+90) | | K-(27+8)=-59 | | (x)+(x*2)+(x*4+5)=180 | | y=2x(x+5) | | Y+39+22=-75 | | 28=a+-82 | | 8x+6=30+11x | | -42=x-91 | | cos*(x/2)=0.9 | | 23x+47y=1 | | x^21=x(3) | | -5-15n=19 | | W+76=-32 | | 9x^6-82x^5=0 | | Q-59=-76 | | 2n^2-30n+180= | | log(x)=250 | | logx=250 | | 5-8lnx=0 | | ln(4xcube+2x)= | | 3(x-2)+5(x+11-3x)=21 | | 1/16=4/a | | 5x-10+5=5 | | 5n-2-(3n-4)=10 |