If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x4 + 15x2 + -1 = 0 Reorder the terms: -1 + 15x2 + 9x4 = 0 Solving -1 + 15x2 + 9x4 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.1111111111 + 1.666666667x2 + x4 = 0 Move the constant term to the right: Add '0.1111111111' to each side of the equation. -0.1111111111 + 1.666666667x2 + 0.1111111111 + x4 = 0 + 0.1111111111 Reorder the terms: -0.1111111111 + 0.1111111111 + 1.666666667x2 + x4 = 0 + 0.1111111111 Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000 0.0000000000 + 1.666666667x2 + x4 = 0 + 0.1111111111 1.666666667x2 + x4 = 0 + 0.1111111111 Combine like terms: 0 + 0.1111111111 = 0.1111111111 1.666666667x2 + x4 = 0.1111111111 The x term is 1.666666667x2. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x2 + 0.6944444447 + x4 = 0.1111111111 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x2 + x4 = 0.1111111111 + 0.6944444447 Combine like terms: 0.1111111111 + 0.6944444447 = 0.8055555558 0.6944444447 + 1.666666667x2 + x4 = 0.8055555558 Factor a perfect square on the left side: (x2 + 0.8333333335)(x2 + 0.8333333335) = 0.8055555558 Calculate the square root of the right side: 0.897527468 Break this problem into two subproblems by setting (x2 + 0.8333333335) equal to 0.897527468 and -0.897527468.Subproblem 1
x2 + 0.8333333335 = 0.897527468 Simplifying x2 + 0.8333333335 = 0.897527468 Reorder the terms: 0.8333333335 + x2 = 0.897527468 Solving 0.8333333335 + x2 = 0.897527468 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x2 = 0.897527468 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x2 = 0.897527468 + -0.8333333335 x2 = 0.897527468 + -0.8333333335 Combine like terms: 0.897527468 + -0.8333333335 = 0.0641941345 x2 = 0.0641941345 Simplifying x2 = 0.0641941345 Take the square root of each side: x = {-0.253365614, 0.253365614}Subproblem 2
x2 + 0.8333333335 = -0.897527468 Simplifying x2 + 0.8333333335 = -0.897527468 Reorder the terms: 0.8333333335 + x2 = -0.897527468 Solving 0.8333333335 + x2 = -0.897527468 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x2 = -0.897527468 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x2 = -0.897527468 + -0.8333333335 x2 = -0.897527468 + -0.8333333335 Combine like terms: -0.897527468 + -0.8333333335 = -1.7308608015 x2 = -1.7308608015 Simplifying x2 = -1.7308608015 Reorder the terms: 1.7308608015 + x2 = -1.7308608015 + 1.7308608015 Combine like terms: -1.7308608015 + 1.7308608015 = 0.0000000000 1.7308608015 + x2 = 0.0000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 6(k-7)=-84 | | -2a+8+9a=6a-3a | | 2x+11=6x+1 | | -s=70 | | 145-7x=20x+19 | | 6.4x+2=5.4x | | 2x^3+7x^2+5x=0 | | 3/1/8+5/1/6 | | 14-7x=69-42x | | -15-4x=63x | | -13=8+3m | | 8x^3-6x-1=0 | | a^2=-2a+35 | | 4-9t=23 | | 5/6b+18=-32 | | y=7/5*0-7 | | 7x-3y+8w-2y-2w+8x= | | X+(x-3)=41 | | 4/9-7x=-5/9 | | 24/4*3-6/3+8 | | 2w+8y+9x+6x-13y+4w= | | 0=x^2-140x-10500 | | 3b+14/3=4 | | 10-4x+11=13 | | 2x*10=100 | | x^2y= | | v^2+64=-16v | | 30=-6-9x | | 7+6x=49 | | 1/8(x+4)=2x-3(4-x)-7 | | 4w-3x-y+2w+18x-4y= | | 4x-7y=0 |