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 + 20t + 40 = 0 Reorder the terms: 40 + 20t + -4.9t2 = 0 Solving 40 + 20t + -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'. -8.163265306 + -4.081632653t + t2 = 0 Move the constant term to the right: Add '8.163265306' to each side of the equation. -8.163265306 + -4.081632653t + 8.163265306 + t2 = 0 + 8.163265306 Reorder the terms: -8.163265306 + 8.163265306 + -4.081632653t + t2 = 0 + 8.163265306 Combine like terms: -8.163265306 + 8.163265306 = 0.000000000 0.000000000 + -4.081632653t + t2 = 0 + 8.163265306 -4.081632653t + t2 = 0 + 8.163265306 Combine like terms: 0 + 8.163265306 = 8.163265306 -4.081632653t + t2 = 8.163265306 The t term is -4.081632653t. Take half its coefficient (-2.040816327). Square it (4.164931281) and add it to both sides. Add '4.164931281' to each side of the equation. -4.081632653t + 4.164931281 + t2 = 8.163265306 + 4.164931281 Reorder the terms: 4.164931281 + -4.081632653t + t2 = 8.163265306 + 4.164931281 Combine like terms: 8.163265306 + 4.164931281 = 12.328196587 4.164931281 + -4.081632653t + t2 = 12.328196587 Factor a perfect square on the left side: (t + -2.040816327)(t + -2.040816327) = 12.328196587 Calculate the square root of the right side: 3.511153171 Break this problem into two subproblems by setting (t + -2.040816327) equal to 3.511153171 and -3.511153171.Subproblem 1
t + -2.040816327 = 3.511153171 Simplifying t + -2.040816327 = 3.511153171 Reorder the terms: -2.040816327 + t = 3.511153171 Solving -2.040816327 + t = 3.511153171 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.040816327' to each side of the equation. -2.040816327 + 2.040816327 + t = 3.511153171 + 2.040816327 Combine like terms: -2.040816327 + 2.040816327 = 0.000000000 0.000000000 + t = 3.511153171 + 2.040816327 t = 3.511153171 + 2.040816327 Combine like terms: 3.511153171 + 2.040816327 = 5.551969498 t = 5.551969498 Simplifying t = 5.551969498Subproblem 2
t + -2.040816327 = -3.511153171 Simplifying t + -2.040816327 = -3.511153171 Reorder the terms: -2.040816327 + t = -3.511153171 Solving -2.040816327 + t = -3.511153171 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2.040816327' to each side of the equation. -2.040816327 + 2.040816327 + t = -3.511153171 + 2.040816327 Combine like terms: -2.040816327 + 2.040816327 = 0.000000000 0.000000000 + t = -3.511153171 + 2.040816327 t = -3.511153171 + 2.040816327 Combine like terms: -3.511153171 + 2.040816327 = -1.470336844 t = -1.470336844 Simplifying t = -1.470336844Solution
The solution to the problem is based on the solutions from the subproblems. t = {5.551969498, -1.470336844}
| 3d+11e+9d+8e= | | 2*x+2*4=30 | | u-5.75=2.3 | | 2n+3-4n-8=n-16 | | 10.3-.8t+1.2-.9t=12-1.7t-5.3 | | -6y+42=-9(y-3) | | 15+4z+7z-9=18z+11-7z-5 | | 5=2.2w | | 20+26+6= | | w=3n+5 | | 2n+3-4n-8=2n-16 | | 1.7(b+5)-(6.9+.7b)=-7+6 | | -8x+3y=43 | | y^2+10y-144=0 | | -4(5x-5)+3(7x-1)-8=6-4 | | (12a^2)-22a-20=0 | | w=3n+3 | | 8x-(4x-8)=2+3x | | 4y+2=3times(6-4y) | | 16-.5(14y+8)=-8y-13 | | 12x-4y=70 | | 3x+3+4=5x | | (20x^2)+13x+2=0 | | q^3+3q-10=0 | | 2a^2-11a=-1 | | 4-1/2(x-5)=16 | | -5p-3=-8-4p | | 5x^2-39=-2x | | (4x^2)+12x+5=0 | | M-16=28 | | 12+b=20 | | √(50n^2p^5)/(5np) |