If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 = 21x + 14 Reorder the terms: 7x2 = 14 + 21x Solving 7x2 = 14 + 21x Solving for variable 'x'. Reorder the terms: -14 + -21x + 7x2 = 14 + 21x + -14 + -21x Reorder the terms: -14 + -21x + 7x2 = 14 + -14 + 21x + -21x Combine like terms: 14 + -14 = 0 -14 + -21x + 7x2 = 0 + 21x + -21x -14 + -21x + 7x2 = 21x + -21x Combine like terms: 21x + -21x = 0 -14 + -21x + 7x2 = 0 Factor out the Greatest Common Factor (GCF), '7'. 7(-2 + -3x + x2) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(-2 + -3x + x2)' equal to zero and attempt to solve: Simplifying -2 + -3x + x2 = 0 Solving -2 + -3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -3x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + -3x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x + x2 = 0 + 2 -3x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -3x + x2 = 2 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 2 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 2 + 2.25 Combine like terms: 2 + 2.25 = 4.25 2.25 + -3x + x2 = 4.25 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 4.25 Calculate the square root of the right side: 2.061552813 Break this problem into two subproblems by setting (x + -1.5) equal to 2.061552813 and -2.061552813.Subproblem 1
x + -1.5 = 2.061552813 Simplifying x + -1.5 = 2.061552813 Reorder the terms: -1.5 + x = 2.061552813 Solving -1.5 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 2.061552813 + 1.5 x = 2.061552813 + 1.5 Combine like terms: 2.061552813 + 1.5 = 3.561552813 x = 3.561552813 Simplifying x = 3.561552813Subproblem 2
x + -1.5 = -2.061552813 Simplifying x + -1.5 = -2.061552813 Reorder the terms: -1.5 + x = -2.061552813 Solving -1.5 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -2.061552813 + 1.5 x = -2.061552813 + 1.5 Combine like terms: -2.061552813 + 1.5 = -0.561552813 x = -0.561552813 Simplifying x = -0.561552813Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.561552813, -0.561552813}Solution
x = {3.561552813, -0.561552813}
| 3a+4=19 | | 200*0.1= | | 20*0.15= | | 220*015= | | x^2-30x+221=0 | | 6y-5(y-4)+1=6 | | 3/7+2/3+1/3 | | 3/7+2/3+1/3=x | | -2(7-2)+5=x | | 3(9+4)-7=x | | y=x^2-10x+28 | | 1/3+1/4=x | | 1/4+1/7=x | | y=x^3-10x^2+28x | | x^2+48-100=0 | | 3-2c/5=4 | | 0.4x=x-42 | | 0.4x=x-43 | | 4-5x=5-7x | | 26+y=12+3y | | 4/25v^2-9w^2 | | 6x-4y=9 | | 4x=3y+16 | | (8)/(x+1)-(5/2)=(8)/(3x+3) | | 2x=-x+15 | | 6s^2-3s-5=0 | | y=8x+21 | | -9=3r+45 | | 8b-1(3b+4)=11 | | 4w-12=w+42 | | 4x+5/6=x/2 | | 3x+2/10=x/5 |