If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 6x + 9 = 21 Reorder the terms: 9 + 6x + 3x2 = 21 Solving 9 + 6x + 3x2 = 21 Solving for variable 'x'. Reorder the terms: 9 + -21 + 6x + 3x2 = 21 + -21 Combine like terms: 9 + -21 = -12 -12 + 6x + 3x2 = 21 + -21 Combine like terms: 21 + -21 = 0 -12 + 6x + 3x2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(-4 + 2x + x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-4 + 2x + x2)' equal to zero and attempt to solve: Simplifying -4 + 2x + x2 = 0 Solving -4 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '4' to each side of the equation. -4 + 2x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + 2x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2x + x2 = 0 + 4 2x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 2x + x2 = 4 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 = 4 + 1 Reorder the terms: 1 + 2x + x2 = 4 + 1 Combine like terms: 4 + 1 = 5 1 + 2x + x2 = 5 Factor a perfect square on the left side: (x + 1)(x + 1) = 5 Calculate the square root of the right side: 2.236067978 Break this problem into two subproblems by setting (x + 1) equal to 2.236067978 and -2.236067978.Subproblem 1
x + 1 = 2.236067978 Simplifying x + 1 = 2.236067978 Reorder the terms: 1 + x = 2.236067978 Solving 1 + x = 2.236067978 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 = 2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.236067978 + -1 x = 2.236067978 + -1 Combine like terms: 2.236067978 + -1 = 1.236067978 x = 1.236067978 Simplifying x = 1.236067978Subproblem 2
x + 1 = -2.236067978 Simplifying x + 1 = -2.236067978 Reorder the terms: 1 + x = -2.236067978 Solving 1 + x = -2.236067978 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 = -2.236067978 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.236067978 + -1 x = -2.236067978 + -1 Combine like terms: -2.236067978 + -1 = -3.236067978 x = -3.236067978 Simplifying x = -3.236067978Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.236067978, -3.236067978}Solution
x = {1.236067978, -3.236067978}
| x/6=x/7-10 | | 3x+4y+y-9x+5y= | | X-4/2X+3X/2X-1 | | 3/-2x-5=49/1 | | 10s-7x=9(3x+3) | | 2x=3-1 | | 12u=v | | 2/x^2-3x+5/X^2+X-12 | | 17n=25 | | 2(2r-1)=-3(r+3) | | 18+24e= | | 50-4x/6=x-5 | | x+y+z=18 | | 37x^2-21x-11.25=0 | | 11-3a=2 | | 55=5v+10 | | 42=2+-2(7+2) | | (4x)(3x^3)= | | 1.50x+3.50(342-x)=751.00 | | d=(0,-4)(5,8) | | d=(0,-4)(5,8)(-12,1) | | 62=3v+11 | | 8n+7=79 | | 1-4x=3x | | 3x+9=3(2x+3) | | 2x^2+16x+24/3x^2/x+6 | | w-2x-y-3z=-9 | | .20x+.05(18-x)=.10(0) | | 11=6x-12 | | (2x)(4y)= | | -13=m/18 | | m/12=6 |