If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8x2 + 7x + -15 + -1(-7) = 0 Multiply -1 * -7 8x2 + 7x + -15 + 7 = 0 Reorder the terms: -15 + 7 + 7x + 8x2 = 0 Combine like terms: -15 + 7 = -8 -8 + 7x + 8x2 = 0 Solving -8 + 7x + 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'. -1 + 0.875x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 0.875x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 0.875x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 0.875x + x2 = 0 + 1 0.875x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 0.875x + x2 = 1 The x term is 0.875x. Take half its coefficient (0.4375). Square it (0.19140625) and add it to both sides. Add '0.19140625' to each side of the equation. 0.875x + 0.19140625 + x2 = 1 + 0.19140625 Reorder the terms: 0.19140625 + 0.875x + x2 = 1 + 0.19140625 Combine like terms: 1 + 0.19140625 = 1.19140625 0.19140625 + 0.875x + x2 = 1.19140625 Factor a perfect square on the left side: (x + 0.4375)(x + 0.4375) = 1.19140625 Calculate the square root of the right side: 1.091515575 Break this problem into two subproblems by setting (x + 0.4375) equal to 1.091515575 and -1.091515575.Subproblem 1
x + 0.4375 = 1.091515575 Simplifying x + 0.4375 = 1.091515575 Reorder the terms: 0.4375 + x = 1.091515575 Solving 0.4375 + x = 1.091515575 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4375' to each side of the equation. 0.4375 + -0.4375 + x = 1.091515575 + -0.4375 Combine like terms: 0.4375 + -0.4375 = 0.0000 0.0000 + x = 1.091515575 + -0.4375 x = 1.091515575 + -0.4375 Combine like terms: 1.091515575 + -0.4375 = 0.654015575 x = 0.654015575 Simplifying x = 0.654015575Subproblem 2
x + 0.4375 = -1.091515575 Simplifying x + 0.4375 = -1.091515575 Reorder the terms: 0.4375 + x = -1.091515575 Solving 0.4375 + x = -1.091515575 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4375' to each side of the equation. 0.4375 + -0.4375 + x = -1.091515575 + -0.4375 Combine like terms: 0.4375 + -0.4375 = 0.0000 0.0000 + x = -1.091515575 + -0.4375 x = -1.091515575 + -0.4375 Combine like terms: -1.091515575 + -0.4375 = -1.529015575 x = -1.529015575 Simplifying x = -1.529015575Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.654015575, -1.529015575}
| 39y-73=y-77 | | (x^2+17x+72)/(x+8) | | 7n^2+16n+15=2n^2+4 | | p+6.5p=39 | | 5n+16=6n-2 | | 6c-9c+14=49 | | -4-5x=2x+10 | | -4x+2x+5=-23 | | 9x^2-19x+9=0 | | 6.9-(-5)+4.1= | | 1z-4=10 | | square(28x^4)= | | 6+x-3=14 | | 3(a-2c)+2(3a-6c)= | | (9/x)+(1/(x-1))=9 | | 2x+1=-4+7x | | 3-4c=-13 | | 2x(3a-x)= | | -2d+4.3=.7 | | .2(8x+1)=.3x+4 | | (4-x)=3x^2+7 | | 3y^3+6y^2+7y+14= | | 5d-3=-18 | | 3(x-y)+2(4x+2y)= | | 13x-7x-6/3 | | 5/12=x-3/8 | | y=3x^2+7 | | factorv^3+0.125= | | 13x/3-(7x-6)/3 | | 1.45p=29 | | x^2+y^2-2x+y=-3 | | 19264=116x^2+705x |