If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 2x + -685 = 0 Reorder the terms: -685 + 2x + x2 = 0 Solving -685 + 2x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '685' to each side of the equation. -685 + 2x + 685 + x2 = 0 + 685 Reorder the terms: -685 + 685 + 2x + x2 = 0 + 685 Combine like terms: -685 + 685 = 0 0 + 2x + x2 = 0 + 685 2x + x2 = 0 + 685 Combine like terms: 0 + 685 = 685 2x + x2 = 685 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 685 + 1 Reorder the terms: 1 + 2x + x2 = 685 + 1 Combine like terms: 685 + 1 = 686 1 + 2x + x2 = 686 Factor a perfect square on the left side: (x + 1)(x + 1) = 686 Calculate the square root of the right side: 26.191601707 Break this problem into two subproblems by setting (x + 1) equal to 26.191601707 and -26.191601707.Subproblem 1
x + 1 = 26.191601707 Simplifying x + 1 = 26.191601707 Reorder the terms: 1 + x = 26.191601707 Solving 1 + x = 26.191601707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 26.191601707 + -1 Combine like terms: 1 + -1 = 0 0 + x = 26.191601707 + -1 x = 26.191601707 + -1 Combine like terms: 26.191601707 + -1 = 25.191601707 x = 25.191601707 Simplifying x = 25.191601707Subproblem 2
x + 1 = -26.191601707 Simplifying x + 1 = -26.191601707 Reorder the terms: 1 + x = -26.191601707 Solving 1 + x = -26.191601707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -26.191601707 + -1 Combine like terms: 1 + -1 = 0 0 + x = -26.191601707 + -1 x = -26.191601707 + -1 Combine like terms: -26.191601707 + -1 = -27.191601707 x = -27.191601707 Simplifying x = -27.191601707Solution
The solution to the problem is based on the solutions from the subproblems. x = {25.191601707, -27.191601707}
| (y-3)*(y-3)=8 | | 2(3-4y)-3y=17 | | j+(8+j)+(3(8+j))=32 | | 2(x+2)=68 | | 3x+92=-2x-3 | | y=g(x)+2 | | 3x(5x+3)= | | 12-4x+16=12 | | 24x=9y | | 0.2x-0.9x-41=1 | | 8m-4+6m^3-3m^2= | | 9x-4=45-4x | | 24x^2-14x-3= | | =ln(sin(2x+7)) | | 7H/2=7 | | x(x-5)+19=2(x+4) | | 0,36=x-63,7/0,8 | | 2n(n+1)-5(n+1)= | | Y=-3.678x^2+527.3x-18807 | | 6/15=-3 | | y^2=14y | | (n^2-3n-21)/(n-70 | | 26=2e^2x+9 | | (x^(1/2)*z^(5/4))^(-3) | | 5d^2+6d-8= | | (2w-5)(6+w)=0 | | 2700=180n-360 | | 3z(z+5)(z+3)=0 | | (4y+7)(6-y)=0 | | (2x+6x-5)(4)= | | (b+3)*(b^2-5b-9)= | | lnx+ln(x+6)=3 |