If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 25 = 21x2 + -0.286x + 16.28 Reorder the terms: 25 = 16.28 + -0.286x + 21x2 Solving 25 = 16.28 + -0.286x + 21x2 Solving for variable 'x'. Combine like terms: 25 + -16.28 = 8.72 8.72 + 0.286x + -21x2 = 16.28 + -0.286x + 21x2 + -16.28 + 0.286x + -21x2 Reorder the terms: 8.72 + 0.286x + -21x2 = 16.28 + -16.28 + -0.286x + 0.286x + 21x2 + -21x2 Combine like terms: 16.28 + -16.28 = 0.00 8.72 + 0.286x + -21x2 = 0.00 + -0.286x + 0.286x + 21x2 + -21x2 8.72 + 0.286x + -21x2 = -0.286x + 0.286x + 21x2 + -21x2 Combine like terms: -0.286x + 0.286x = 0.000 8.72 + 0.286x + -21x2 = 0.000 + 21x2 + -21x2 8.72 + 0.286x + -21x2 = 21x2 + -21x2 Combine like terms: 21x2 + -21x2 = 0 8.72 + 0.286x + -21x2 = 0 Begin completing the square. Divide all terms by -21 the coefficient of the squared term: Divide each side by '-21'. -0.4152380952 + -0.01361904762x + x2 = 0 Move the constant term to the right: Add '0.4152380952' to each side of the equation. -0.4152380952 + -0.01361904762x + 0.4152380952 + x2 = 0 + 0.4152380952 Reorder the terms: -0.4152380952 + 0.4152380952 + -0.01361904762x + x2 = 0 + 0.4152380952 Combine like terms: -0.4152380952 + 0.4152380952 = 0.0000000000 0.0000000000 + -0.01361904762x + x2 = 0 + 0.4152380952 -0.01361904762x + x2 = 0 + 0.4152380952 Combine like terms: 0 + 0.4152380952 = 0.4152380952 -0.01361904762x + x2 = 0.4152380952 The x term is -0.01361904762x. Take half its coefficient (-0.00680952381). Square it (0.00004636961452) and add it to both sides. Add '0.00004636961452' to each side of the equation. -0.01361904762x + 0.00004636961452 + x2 = 0.4152380952 + 0.00004636961452 Reorder the terms: 0.00004636961452 + -0.01361904762x + x2 = 0.4152380952 + 0.00004636961452 Combine like terms: 0.4152380952 + 0.00004636961452 = 0.41528446481452 0.00004636961452 + -0.01361904762x + x2 = 0.41528446481452 Factor a perfect square on the left side: (x + -0.00680952381)(x + -0.00680952381) = 0.41528446481452 Calculate the square root of the right side: 0.644425686 Break this problem into two subproblems by setting (x + -0.00680952381) equal to 0.644425686 and -0.644425686.Subproblem 1
x + -0.00680952381 = 0.644425686 Simplifying x + -0.00680952381 = 0.644425686 Reorder the terms: -0.00680952381 + x = 0.644425686 Solving -0.00680952381 + x = 0.644425686 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.00680952381' to each side of the equation. -0.00680952381 + 0.00680952381 + x = 0.644425686 + 0.00680952381 Combine like terms: -0.00680952381 + 0.00680952381 = 0.00000000000 0.00000000000 + x = 0.644425686 + 0.00680952381 x = 0.644425686 + 0.00680952381 Combine like terms: 0.644425686 + 0.00680952381 = 0.65123520981 x = 0.65123520981 Simplifying x = 0.65123520981Subproblem 2
x + -0.00680952381 = -0.644425686 Simplifying x + -0.00680952381 = -0.644425686 Reorder the terms: -0.00680952381 + x = -0.644425686 Solving -0.00680952381 + x = -0.644425686 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.00680952381' to each side of the equation. -0.00680952381 + 0.00680952381 + x = -0.644425686 + 0.00680952381 Combine like terms: -0.00680952381 + 0.00680952381 = 0.00000000000 0.00000000000 + x = -0.644425686 + 0.00680952381 x = -0.644425686 + 0.00680952381 Combine like terms: -0.644425686 + 0.00680952381 = -0.63761616219 x = -0.63761616219 Simplifying x = -0.63761616219Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.65123520981, -0.63761616219}
| 9x-13=-5x+17 | | -8-b/6=-2 | | 3b+4+5b-2= | | 15-4n=65 | | 0.3x=3/10x= | | (3b+4)+(5b-2)= | | 65=15-4*n | | -8b/6=-2 | | .25x+2y=225 | | 4+5=6+7 | | 65=15-4(n) | | -2X^4+14X^3-20X^2=0 | | (3a-4)+(4a+6)= | | -2(9-x)=22 | | 2.1=10.5 | | 65=15-4n | | ab+3bc+4a+12c= | | 4x+dy+DX+4y= | | 4x+40=48 | | 3log^41/16 | | 2+-64=6 | | 119=(5x-19)+(2x+5) | | 6=2-64 | | 9+8-12=30-x | | logb1000=3/2 | | V=4/5 | | 9(2+3x)=64 | | 1/5x=4/3x | | 12z^2-60z= | | 6sinx=12 | | 21/1/3=3M-2/2/3 | | 1/3^-2 |