If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = -4.9x2 + 14x + 2.1 Reorder the terms: 0 = 2.1 + 14x + -4.9x2 Solving 0 = 2.1 + 14x + -4.9x2 Solving for variable 'x'. Combine like terms: 0 + -2.1 = -2.1 -2.1 + -14x + 4.9x2 = 2.1 + 14x + -4.9x2 + -2.1 + -14x + 4.9x2 Reorder the terms: -2.1 + -14x + 4.9x2 = 2.1 + -2.1 + 14x + -14x + -4.9x2 + 4.9x2 Combine like terms: 2.1 + -2.1 = 0.0 -2.1 + -14x + 4.9x2 = 0.0 + 14x + -14x + -4.9x2 + 4.9x2 -2.1 + -14x + 4.9x2 = 14x + -14x + -4.9x2 + 4.9x2 Combine like terms: 14x + -14x = 0 -2.1 + -14x + 4.9x2 = 0 + -4.9x2 + 4.9x2 -2.1 + -14x + 4.9x2 = -4.9x2 + 4.9x2 Combine like terms: -4.9x2 + 4.9x2 = 0.0 -2.1 + -14x + 4.9x2 = 0.0 Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. -0.4285714286 + -2.857142857x + x2 = 0 Move the constant term to the right: Add '0.4285714286' to each side of the equation. -0.4285714286 + -2.857142857x + 0.4285714286 + x2 = 0 + 0.4285714286 Reorder the terms: -0.4285714286 + 0.4285714286 + -2.857142857x + x2 = 0 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.0000000000 + -2.857142857x + x2 = 0 + 0.4285714286 -2.857142857x + x2 = 0 + 0.4285714286 Combine like terms: 0 + 0.4285714286 = 0.4285714286 -2.857142857x + x2 = 0.4285714286 The x term is -2.857142857x. Take half its coefficient (-1.428571429). Square it (2.040816328) and add it to both sides. Add '2.040816328' to each side of the equation. -2.857142857x + 2.040816328 + x2 = 0.4285714286 + 2.040816328 Reorder the terms: 2.040816328 + -2.857142857x + x2 = 0.4285714286 + 2.040816328 Combine like terms: 0.4285714286 + 2.040816328 = 2.4693877566 2.040816328 + -2.857142857x + x2 = 2.4693877566 Factor a perfect square on the left side: (x + -1.428571429)(x + -1.428571429) = 2.4693877566 Calculate the square root of the right side: 1.571428572 Break this problem into two subproblems by setting (x + -1.428571429) equal to 1.571428572 and -1.571428572.Subproblem 1
x + -1.428571429 = 1.571428572 Simplifying x + -1.428571429 = 1.571428572 Reorder the terms: -1.428571429 + x = 1.571428572 Solving -1.428571429 + x = 1.571428572 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + x = 1.571428572 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + x = 1.571428572 + 1.428571429 x = 1.571428572 + 1.428571429 Combine like terms: 1.571428572 + 1.428571429 = 3.000000001 x = 3.000000001 Simplifying x = 3.000000001Subproblem 2
x + -1.428571429 = -1.571428572 Simplifying x + -1.428571429 = -1.571428572 Reorder the terms: -1.428571429 + x = -1.571428572 Solving -1.428571429 + x = -1.571428572 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + x = -1.571428572 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + x = -1.571428572 + 1.428571429 x = -1.571428572 + 1.428571429 Combine like terms: -1.571428572 + 1.428571429 = -0.142857143 x = -0.142857143 Simplifying x = -0.142857143Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.000000001, -0.142857143}
| .0099537=LN(x) | | 100=30x+40x | | 20-4=16 | | t-435+3=18 | | f-7=100 | | log(2)(9x+8)=log(2)(-x^2+2x+16) | | 7/9x=(x-1000) | | 10z+20=90 | | 15z-5=80 | | -k+2.8(5.4k-6.8)=150.4 | | x+43=5x+11 | | c=x^2-12x+60 | | 5x+34=2x+10 | | -x-1=3x+15 | | 5x+37=2x+16 | | x+34=4x+7 | | (u-4)-(u+7)= | | x+1=4x+28 | | (X)(2)(x)=168 | | x-(0.07*x)=3550 | | x-0.07*x=3550 | | -x-17=2x+4 | | 5c+3a=140 | | -x+17=x+3 | | -3(6q+2)= | | 30-x/10=2 | | -3+5=x+1 | | 0=3x^5+5x^4-2x^3 | | 3x^5-4x^4+12x^3-9x^2+3x+9=0 | | 60x+10y=15000 | | y=3x^5+5x^4-2x^3 | | -2t+20-3=-13 |