If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -21x + 26 = 0 Reorder the terms: 26 + -21x + 3x2 = 0 Solving 26 + -21x + 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'. 8.666666667 + -7x + x2 = 0 Move the constant term to the right: Add '-8.666666667' to each side of the equation. 8.666666667 + -7x + -8.666666667 + x2 = 0 + -8.666666667 Reorder the terms: 8.666666667 + -8.666666667 + -7x + x2 = 0 + -8.666666667 Combine like terms: 8.666666667 + -8.666666667 = 0.000000000 0.000000000 + -7x + x2 = 0 + -8.666666667 -7x + x2 = 0 + -8.666666667 Combine like terms: 0 + -8.666666667 = -8.666666667 -7x + x2 = -8.666666667 The x term is -7x. Take half its coefficient (-3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. -7x + 12.25 + x2 = -8.666666667 + 12.25 Reorder the terms: 12.25 + -7x + x2 = -8.666666667 + 12.25 Combine like terms: -8.666666667 + 12.25 = 3.583333333 12.25 + -7x + x2 = 3.583333333 Factor a perfect square on the left side: (x + -3.5)(x + -3.5) = 3.583333333 Calculate the square root of the right side: 1.892969449 Break this problem into two subproblems by setting (x + -3.5) equal to 1.892969449 and -1.892969449.Subproblem 1
x + -3.5 = 1.892969449 Simplifying x + -3.5 = 1.892969449 Reorder the terms: -3.5 + x = 1.892969449 Solving -3.5 + x = 1.892969449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 1.892969449 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 1.892969449 + 3.5 x = 1.892969449 + 3.5 Combine like terms: 1.892969449 + 3.5 = 5.392969449 x = 5.392969449 Simplifying x = 5.392969449Subproblem 2
x + -3.5 = -1.892969449 Simplifying x + -3.5 = -1.892969449 Reorder the terms: -3.5 + x = -1.892969449 Solving -3.5 + x = -1.892969449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -1.892969449 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -1.892969449 + 3.5 x = -1.892969449 + 3.5 Combine like terms: -1.892969449 + 3.5 = 1.607030551 x = 1.607030551 Simplifying x = 1.607030551Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.392969449, 1.607030551}
| 2.4+3s=0.6 | | 3xsin(6x)= | | 0.7x+2x(x-3)=0.2x+3 | | (x-10)(x-10)=121 | | x+2(0)=-9 | | x+2(2)=-9 | | 3x+y=260 | | C=9a^2b | | x+2(1)=-9 | | (x+4)(x+4)=1 | | x+2(12)=-9 | | (x+2)(x-3)(x+4)=0 | | 3(2)-y=-6 | | X+9=6x | | -4(2x+4)-3x+3=-5x-1 | | x^3(x+3)(x-4)=0 | | -30(x+2)=20(x-3) | | -30(x-2)=20(x-3) | | (16+x)(12+x)=396 | | 8-(5-4x)=6(2x-1) | | 8(5-4x)=6(2x-1) | | 4x+(5-3)= | | x+3y=72 | | 3x^2=-5-10x | | y+30t=45 | | 9x-9y+20z=-109 | | 2x+13y+2z=18 | | 2x-3x=10+X | | -6-9.5(1+3.5x)=24.5 | | 4c^2-52x+120=0 | | -16t^2+27t-10=0 | | ln(3)+ln(x-8)=ln(x) |