If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8x2 + -39x + -45 = 0 Reorder the terms: -45 + -39x + 8x2 = 0 Solving -45 + -39x + 8x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -5.625 + -4.875x + x2 = 0 Move the constant term to the right: Add '5.625' to each side of the equation. -5.625 + -4.875x + 5.625 + x2 = 0 + 5.625 Reorder the terms: -5.625 + 5.625 + -4.875x + x2 = 0 + 5.625 Combine like terms: -5.625 + 5.625 = 0.000 0.000 + -4.875x + x2 = 0 + 5.625 -4.875x + x2 = 0 + 5.625 Combine like terms: 0 + 5.625 = 5.625 -4.875x + x2 = 5.625 The x term is -4.875x. Take half its coefficient (-2.4375). Square it (5.94140625) and add it to both sides. Add '5.94140625' to each side of the equation. -4.875x + 5.94140625 + x2 = 5.625 + 5.94140625 Reorder the terms: 5.94140625 + -4.875x + x2 = 5.625 + 5.94140625 Combine like terms: 5.625 + 5.94140625 = 11.56640625 5.94140625 + -4.875x + x2 = 11.56640625 Factor a perfect square on the left side: (x + -2.4375)(x + -2.4375) = 11.56640625 Calculate the square root of the right side: 3.400941965 Break this problem into two subproblems by setting (x + -2.4375) equal to 3.400941965 and -3.400941965.Subproblem 1
x + -2.4375 = 3.400941965 Simplifying x + -2.4375 = 3.400941965 Reorder the terms: -2.4375 + x = 3.400941965 Solving -2.4375 + x = 3.400941965 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4375' to each side of the equation. -2.4375 + 2.4375 + x = 3.400941965 + 2.4375 Combine like terms: -2.4375 + 2.4375 = 0.0000 0.0000 + x = 3.400941965 + 2.4375 x = 3.400941965 + 2.4375 Combine like terms: 3.400941965 + 2.4375 = 5.838441965 x = 5.838441965 Simplifying x = 5.838441965Subproblem 2
x + -2.4375 = -3.400941965 Simplifying x + -2.4375 = -3.400941965 Reorder the terms: -2.4375 + x = -3.400941965 Solving -2.4375 + x = -3.400941965 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.4375' to each side of the equation. -2.4375 + 2.4375 + x = -3.400941965 + 2.4375 Combine like terms: -2.4375 + 2.4375 = 0.0000 0.0000 + x = -3.400941965 + 2.4375 x = -3.400941965 + 2.4375 Combine like terms: -3.400941965 + 2.4375 = -0.963441965 x = -0.963441965 Simplifying x = -0.963441965Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.838441965, -0.963441965}
| 2x+x=9+9 | | -x=18 | | 4.1x+9.1=x+3.9 | | 40-x=3+3(x-5) | | 10x-17x=8-50 | | r^2+2rp-35p^2=0 | | 12=10x+12 | | 2x-7x=23+12 | | 2n+35=106 | | x=5x+17 | | 1=9-4y | | 8x^2+22x-45=0 | | 174=75+55t | | x^2+16x+59=0 | | 2x+3=6x+7 | | y=-x^2-9x+36 | | 6x+4x=15x+5 | | 3=-3y-15 | | 6y+3=y+1.2 | | 21=8y-3 | | 8y+3y=4y | | 2x^2+56x+360=0 | | 7(4x-2)=-266 | | 8y+3y=44 | | 51+16d=9 | | y=(78*2)+(-16*4) | | 9-x^2=0 | | 7+4x=27 | | 9x^2-x=0 | | x^2-20=0 | | 3n+12=-12 | | 3(x-9)-2=35 |