If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8x2 + 9 = -55x Reorder the terms: 9 + 8x2 = -55x Solving 9 + 8x2 = -55x Solving for variable 'x'. Reorder the terms: 9 + 55x + 8x2 = -55x + 55x Combine like terms: -55x + 55x = 0 9 + 55x + 8x2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 1.125 + 6.875x + x2 = 0 Move the constant term to the right: Add '-1.125' to each side of the equation. 1.125 + 6.875x + -1.125 + x2 = 0 + -1.125 Reorder the terms: 1.125 + -1.125 + 6.875x + x2 = 0 + -1.125 Combine like terms: 1.125 + -1.125 = 0.000 0.000 + 6.875x + x2 = 0 + -1.125 6.875x + x2 = 0 + -1.125 Combine like terms: 0 + -1.125 = -1.125 6.875x + x2 = -1.125 The x term is 6.875x. Take half its coefficient (3.4375). Square it (11.81640625) and add it to both sides. Add '11.81640625' to each side of the equation. 6.875x + 11.81640625 + x2 = -1.125 + 11.81640625 Reorder the terms: 11.81640625 + 6.875x + x2 = -1.125 + 11.81640625 Combine like terms: -1.125 + 11.81640625 = 10.69140625 11.81640625 + 6.875x + x2 = 10.69140625 Factor a perfect square on the left side: (x + 3.4375)(x + 3.4375) = 10.69140625 Calculate the square root of the right side: 3.26977159 Break this problem into two subproblems by setting (x + 3.4375) equal to 3.26977159 and -3.26977159.Subproblem 1
x + 3.4375 = 3.26977159 Simplifying x + 3.4375 = 3.26977159 Reorder the terms: 3.4375 + x = 3.26977159 Solving 3.4375 + x = 3.26977159 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.4375' to each side of the equation. 3.4375 + -3.4375 + x = 3.26977159 + -3.4375 Combine like terms: 3.4375 + -3.4375 = 0.0000 0.0000 + x = 3.26977159 + -3.4375 x = 3.26977159 + -3.4375 Combine like terms: 3.26977159 + -3.4375 = -0.16772841 x = -0.16772841 Simplifying x = -0.16772841Subproblem 2
x + 3.4375 = -3.26977159 Simplifying x + 3.4375 = -3.26977159 Reorder the terms: 3.4375 + x = -3.26977159 Solving 3.4375 + x = -3.26977159 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.4375' to each side of the equation. 3.4375 + -3.4375 + x = -3.26977159 + -3.4375 Combine like terms: 3.4375 + -3.4375 = 0.0000 0.0000 + x = -3.26977159 + -3.4375 x = -3.26977159 + -3.4375 Combine like terms: -3.26977159 + -3.4375 = -6.70727159 x = -6.70727159 Simplifying x = -6.70727159Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.16772841, -6.70727159}
| 2X+8+7X=17 | | 4K^2+19k+15=0 | | -3a+4=15 | | 2c+4r= | | x^2-3x-5y+2=0 | | 8=5x+B | | (2v+9)(6-v)=0 | | 6x-1.5y=18 | | 4r+7=9 | | 69+2x=84-3y | | 208=8(1+5n) | | 3x-2+4x-6=111 | | 13g=12 | | .6(30x-15)=72 | | 76=5X+2X-8 | | 2(5x-7)+8=-23 | | -36=-.85x | | 2r+6=9 | | F(w)=-w^2+60w | | 5u+3u=64 | | 12=5v-2v | | 6n+4n=n-11 | | x=x^2+40x+500 | | 4m-3=17 | | 3n+46=1+8x | | 5x-2(x-5)=-9+5x+13 | | -3/8(-5/6x+12)=13 | | -5X+9-2X=9 | | 8x^4-28x^6=0 | | 4d^2-4d-36= | | 6x^2-3x-20=0 | | 10-10m=10m+70 |