If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + x + -215 = 0 Reorder the terms: -215 + x + x2 = 0 Solving -215 + x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '215' to each side of the equation. -215 + x + 215 + x2 = 0 + 215 Reorder the terms: -215 + 215 + x + x2 = 0 + 215 Combine like terms: -215 + 215 = 0 0 + x + x2 = 0 + 215 x + x2 = 0 + 215 Combine like terms: 0 + 215 = 215 x + x2 = 215 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. x + 0.25 + x2 = 215 + 0.25 Reorder the terms: 0.25 + x + x2 = 215 + 0.25 Combine like terms: 215 + 0.25 = 215.25 0.25 + x + x2 = 215.25 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 215.25 Calculate the square root of the right side: 14.671400751 Break this problem into two subproblems by setting (x + 0.5) equal to 14.671400751 and -14.671400751.Subproblem 1
x + 0.5 = 14.671400751 Simplifying x + 0.5 = 14.671400751 Reorder the terms: 0.5 + x = 14.671400751 Solving 0.5 + x = 14.671400751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 14.671400751 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 14.671400751 + -0.5 x = 14.671400751 + -0.5 Combine like terms: 14.671400751 + -0.5 = 14.171400751 x = 14.171400751 Simplifying x = 14.171400751Subproblem 2
x + 0.5 = -14.671400751 Simplifying x + 0.5 = -14.671400751 Reorder the terms: 0.5 + x = -14.671400751 Solving 0.5 + x = -14.671400751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -14.671400751 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -14.671400751 + -0.5 x = -14.671400751 + -0.5 Combine like terms: -14.671400751 + -0.5 = -15.171400751 x = -15.171400751 Simplifying x = -15.171400751Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.171400751, -15.171400751}
| x=1.2y+y | | x^2+4x-215=0 | | 3(3c+5)=24 | | 5n-6=2n+6 | | -19u-4u+3=-12 | | -5/8=a/-1/2 | | -19u-4u+3=12 | | 2(n-5)+5=6 | | 4(2a+20)= | | 14q+-20q=6 | | =6666 | | 14q+20q=6 | | 14=2l*2w | | y=5/x^2-36 | | y+22+3y+16+6y-11=180 | | K/4-7=1 | | 36=8c-20 | | 3y+7=30 | | 22m/55h=12m/h | | 7x+y=360 | | h=0.5+16t-2t^2 | | -055p-4=0.45p | | x^2-2xi-1=0 | | (-7+-1x)(3+-2x)=0 | | 5x-18.5=x^2 | | 3x(2x^2+11x-21)=0 | | 0y+x=3 | | 0yx=3 | | -9w-7=20 | | 525.75×2/3 | | 6.5-5x=x^2-10x+25 | | 3j-10=19 |