If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 25 = 0.0021x2 + -0.286x + 16.28 Reorder the terms: 25 = 16.28 + -0.286x + 0.0021x2 Solving 25 = 16.28 + -0.286x + 0.0021x2 Solving for variable 'x'. Combine like terms: 25 + -16.28 = 8.72 8.72 + 0.286x + -0.0021x2 = 16.28 + -0.286x + 0.0021x2 + -16.28 + 0.286x + -0.0021x2 Reorder the terms: 8.72 + 0.286x + -0.0021x2 = 16.28 + -16.28 + -0.286x + 0.286x + 0.0021x2 + -0.0021x2 Combine like terms: 16.28 + -16.28 = 0.00 8.72 + 0.286x + -0.0021x2 = 0.00 + -0.286x + 0.286x + 0.0021x2 + -0.0021x2 8.72 + 0.286x + -0.0021x2 = -0.286x + 0.286x + 0.0021x2 + -0.0021x2 Combine like terms: -0.286x + 0.286x = 0.000 8.72 + 0.286x + -0.0021x2 = 0.000 + 0.0021x2 + -0.0021x2 8.72 + 0.286x + -0.0021x2 = 0.0021x2 + -0.0021x2 Combine like terms: 0.0021x2 + -0.0021x2 = 0.0000 8.72 + 0.286x + -0.0021x2 = 0.0000 Begin completing the square. Divide all terms by -0.0021 the coefficient of the squared term: Divide each side by '-0.0021'. -4152.380952 + -136.1904762x + x2 = 0 Move the constant term to the right: Add '4152.380952' to each side of the equation. -4152.380952 + -136.1904762x + 4152.380952 + x2 = 0 + 4152.380952 Reorder the terms: -4152.380952 + 4152.380952 + -136.1904762x + x2 = 0 + 4152.380952 Combine like terms: -4152.380952 + 4152.380952 = 0.000000 0.000000 + -136.1904762x + x2 = 0 + 4152.380952 -136.1904762x + x2 = 0 + 4152.380952 Combine like terms: 0 + 4152.380952 = 4152.380952 -136.1904762x + x2 = 4152.380952 The x term is -136.1904762x. Take half its coefficient (-68.0952381). Square it (4636.961452) and add it to both sides. Add '4636.961452' to each side of the equation. -136.1904762x + 4636.961452 + x2 = 4152.380952 + 4636.961452 Reorder the terms: 4636.961452 + -136.1904762x + x2 = 4152.380952 + 4636.961452 Combine like terms: 4152.380952 + 4636.961452 = 8789.342404 4636.961452 + -136.1904762x + x2 = 8789.342404 Factor a perfect square on the left side: (x + -68.0952381)(x + -68.0952381) = 8789.342404 Calculate the square root of the right side: 93.751492809 Break this problem into two subproblems by setting (x + -68.0952381) equal to 93.751492809 and -93.751492809.Subproblem 1
x + -68.0952381 = 93.751492809 Simplifying x + -68.0952381 = 93.751492809 Reorder the terms: -68.0952381 + x = 93.751492809 Solving -68.0952381 + x = 93.751492809 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '68.0952381' to each side of the equation. -68.0952381 + 68.0952381 + x = 93.751492809 + 68.0952381 Combine like terms: -68.0952381 + 68.0952381 = 0.0000000 0.0000000 + x = 93.751492809 + 68.0952381 x = 93.751492809 + 68.0952381 Combine like terms: 93.751492809 + 68.0952381 = 161.846730909 x = 161.846730909 Simplifying x = 161.846730909Subproblem 2
x + -68.0952381 = -93.751492809 Simplifying x + -68.0952381 = -93.751492809 Reorder the terms: -68.0952381 + x = -93.751492809 Solving -68.0952381 + x = -93.751492809 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '68.0952381' to each side of the equation. -68.0952381 + 68.0952381 + x = -93.751492809 + 68.0952381 Combine like terms: -68.0952381 + 68.0952381 = 0.0000000 0.0000000 + x = -93.751492809 + 68.0952381 x = -93.751492809 + 68.0952381 Combine like terms: -93.751492809 + 68.0952381 = -25.656254709 x = -25.656254709 Simplifying x = -25.656254709Solution
The solution to the problem is based on the solutions from the subproblems. x = {161.846730909, -25.656254709}
| 15.7=2(3.14) | | -5x^2+33x=0 | | 65=15-64n | | 25=0021x^2-.286x+16.28 | | 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 |