If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 13x2 + 21x = 5x2 + 2 Reorder the terms: 21x + 13x2 = 5x2 + 2 Reorder the terms: 21x + 13x2 = 2 + 5x2 Solving 21x + 13x2 = 2 + 5x2 Solving for variable 'x'. Reorder the terms: -2 + 21x + 13x2 + -5x2 = 2 + 5x2 + -2 + -5x2 Combine like terms: 13x2 + -5x2 = 8x2 -2 + 21x + 8x2 = 2 + 5x2 + -2 + -5x2 Reorder the terms: -2 + 21x + 8x2 = 2 + -2 + 5x2 + -5x2 Combine like terms: 2 + -2 = 0 -2 + 21x + 8x2 = 0 + 5x2 + -5x2 -2 + 21x + 8x2 = 5x2 + -5x2 Combine like terms: 5x2 + -5x2 = 0 -2 + 21x + 8x2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -0.25 + 2.625x + x2 = 0 Move the constant term to the right: Add '0.25' to each side of the equation. -0.25 + 2.625x + 0.25 + x2 = 0 + 0.25 Reorder the terms: -0.25 + 0.25 + 2.625x + x2 = 0 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + 2.625x + x2 = 0 + 0.25 2.625x + x2 = 0 + 0.25 Combine like terms: 0 + 0.25 = 0.25 2.625x + x2 = 0.25 The x term is 2.625x. Take half its coefficient (1.3125). Square it (1.72265625) and add it to both sides. Add '1.72265625' to each side of the equation. 2.625x + 1.72265625 + x2 = 0.25 + 1.72265625 Reorder the terms: 1.72265625 + 2.625x + x2 = 0.25 + 1.72265625 Combine like terms: 0.25 + 1.72265625 = 1.97265625 1.72265625 + 2.625x + x2 = 1.97265625 Factor a perfect square on the left side: (x + 1.3125)(x + 1.3125) = 1.97265625 Calculate the square root of the right side: 1.404512816 Break this problem into two subproblems by setting (x + 1.3125) equal to 1.404512816 and -1.404512816.Subproblem 1
x + 1.3125 = 1.404512816 Simplifying x + 1.3125 = 1.404512816 Reorder the terms: 1.3125 + x = 1.404512816 Solving 1.3125 + x = 1.404512816 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.3125' to each side of the equation. 1.3125 + -1.3125 + x = 1.404512816 + -1.3125 Combine like terms: 1.3125 + -1.3125 = 0.0000 0.0000 + x = 1.404512816 + -1.3125 x = 1.404512816 + -1.3125 Combine like terms: 1.404512816 + -1.3125 = 0.092012816 x = 0.092012816 Simplifying x = 0.092012816Subproblem 2
x + 1.3125 = -1.404512816 Simplifying x + 1.3125 = -1.404512816 Reorder the terms: 1.3125 + x = -1.404512816 Solving 1.3125 + x = -1.404512816 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.3125' to each side of the equation. 1.3125 + -1.3125 + x = -1.404512816 + -1.3125 Combine like terms: 1.3125 + -1.3125 = 0.0000 0.0000 + x = -1.404512816 + -1.3125 x = -1.404512816 + -1.3125 Combine like terms: -1.404512816 + -1.3125 = -2.717012816 x = -2.717012816 Simplifying x = -2.717012816Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.092012816, -2.717012816}
| 2(n+3)=(n+80)+10 | | 19-7x=12-5x | | 4x-7(5x+5)=337 | | (2x^11/6x^6)^11 | | 1/n^-4 | | x-1/3+2x-1/2=41/6+1/3(7-x) | | 7x=3x-14 | | y=-0.06x^2+9.6x+5.4 | | 19x+20=19x-20 | | 2x/3+3x/4+4x/5=-2(-x+1)-1/6 | | 0.50x+0.25(50)=25.5 | | -79=-5x+2(-x-15) | | Y=4x^2+12x+9 | | 2x/7+4x-3/5=-2 | | 24x^2+15x-3=0 | | 8a-11a= | | 48-xy= | | f(x)=x^2-4x+11 | | 2/3x-8 | | x^2-6+7=0 | | 75=-3x+3(-4x-30) | | 5v^2+37v+42=0 | | 2/3*-4=-12 | | 5x+16=2x+5 | | 7c+6=3c | | 9a+8=8 | | 3(3+4)=4(4+3) | | 8m^2-10m-12=0 | | 4x^3=28x^2 | | 2x+3=-10 | | -147=3x+3(-5x-17) | | a^2=-18-9a |