If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -4.9t2 + -14t + 30 = 0 Reorder the terms: 30 + -14t + -4.9t2 = 0 Solving 30 + -14t + -4.9t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. -6.12244898 + 2.857142857t + t2 = 0 Move the constant term to the right: Add '6.12244898' to each side of the equation. -6.12244898 + 2.857142857t + 6.12244898 + t2 = 0 + 6.12244898 Reorder the terms: -6.12244898 + 6.12244898 + 2.857142857t + t2 = 0 + 6.12244898 Combine like terms: -6.12244898 + 6.12244898 = 0.00000000 0.00000000 + 2.857142857t + t2 = 0 + 6.12244898 2.857142857t + t2 = 0 + 6.12244898 Combine like terms: 0 + 6.12244898 = 6.12244898 2.857142857t + t2 = 6.12244898 The t term is 2.857142857t. 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. 2.857142857t + 2.040816328 + t2 = 6.12244898 + 2.040816328 Reorder the terms: 2.040816328 + 2.857142857t + t2 = 6.12244898 + 2.040816328 Combine like terms: 6.12244898 + 2.040816328 = 8.163265308 2.040816328 + 2.857142857t + t2 = 8.163265308 Factor a perfect square on the left side: (t + 1.428571429)(t + 1.428571429) = 8.163265308 Calculate the square root of the right side: 2.857142857 Break this problem into two subproblems by setting (t + 1.428571429) equal to 2.857142857 and -2.857142857.Subproblem 1
t + 1.428571429 = 2.857142857 Simplifying t + 1.428571429 = 2.857142857 Reorder the terms: 1.428571429 + t = 2.857142857 Solving 1.428571429 + t = 2.857142857 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.428571429' to each side of the equation. 1.428571429 + -1.428571429 + t = 2.857142857 + -1.428571429 Combine like terms: 1.428571429 + -1.428571429 = 0.000000000 0.000000000 + t = 2.857142857 + -1.428571429 t = 2.857142857 + -1.428571429 Combine like terms: 2.857142857 + -1.428571429 = 1.428571428 t = 1.428571428 Simplifying t = 1.428571428Subproblem 2
t + 1.428571429 = -2.857142857 Simplifying t + 1.428571429 = -2.857142857 Reorder the terms: 1.428571429 + t = -2.857142857 Solving 1.428571429 + t = -2.857142857 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.428571429' to each side of the equation. 1.428571429 + -1.428571429 + t = -2.857142857 + -1.428571429 Combine like terms: 1.428571429 + -1.428571429 = 0.000000000 0.000000000 + t = -2.857142857 + -1.428571429 t = -2.857142857 + -1.428571429 Combine like terms: -2.857142857 + -1.428571429 = -4.285714286 t = -4.285714286 Simplifying t = -4.285714286Solution
The solution to the problem is based on the solutions from the subproblems. t = {1.428571428, -4.285714286}
| 3x=280-7x | | -7x=4x | | 3(x+5)=-5 | | =1-0.00089+x | | 3x+7x=280 | | (2sen^2x)-1=0 | | -3(6x-6)+6=-18x+24 | | 100=28x^2+12x | | (4x+2)+(2x+1)+(x-1)=180 | | 6(6x-4)=36x-24 | | 3z-4=z | | x+1.25=2x-1 | | 7(x-2)=18+4x | | 7x-23+5x-31=90 | | 2x-1=6x+13 | | 0.18(y-9)+.10y=.16y-1.2 | | ax-x=12 | | -7p-4(6-4p)=5(p-3)-17 | | 11Y-9Y=6 | | -16x=12-(-4) | | 60=234 | | 7/9x-1/3=2 | | 16=17-1 | | -19u=-2 | | (x+2)+(2x-1)+(2x+2)=180 | | 3r^3+6r= | | .50x+0.35(70)=46.5 | | 3(2x-4)-4(2x+2)=10 | | 12+9x=78x-9 | | F(4)=6x+15 | | 8y+21=2y-9 | | 8+5x=2(-x+3)-9 |