If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -4t2 + -18t + 81 = 0 Reorder the terms: 81 + -18t + -4t2 = 0 Solving 81 + -18t + -4t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by -4 the coefficient of the squared term: Divide each side by '-4'. -20.25 + 4.5t + t2 = 0 Move the constant term to the right: Add '20.25' to each side of the equation. -20.25 + 4.5t + 20.25 + t2 = 0 + 20.25 Reorder the terms: -20.25 + 20.25 + 4.5t + t2 = 0 + 20.25 Combine like terms: -20.25 + 20.25 = 0.00 0.00 + 4.5t + t2 = 0 + 20.25 4.5t + t2 = 0 + 20.25 Combine like terms: 0 + 20.25 = 20.25 4.5t + t2 = 20.25 The t term is 4.5t. Take half its coefficient (2.25). Square it (5.0625) and add it to both sides. Add '5.0625' to each side of the equation. 4.5t + 5.0625 + t2 = 20.25 + 5.0625 Reorder the terms: 5.0625 + 4.5t + t2 = 20.25 + 5.0625 Combine like terms: 20.25 + 5.0625 = 25.3125 5.0625 + 4.5t + t2 = 25.3125 Factor a perfect square on the left side: (t + 2.25)(t + 2.25) = 25.3125 Calculate the square root of the right side: 5.031152949 Break this problem into two subproblems by setting (t + 2.25) equal to 5.031152949 and -5.031152949.Subproblem 1
t + 2.25 = 5.031152949 Simplifying t + 2.25 = 5.031152949 Reorder the terms: 2.25 + t = 5.031152949 Solving 2.25 + t = 5.031152949 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2.25' to each side of the equation. 2.25 + -2.25 + t = 5.031152949 + -2.25 Combine like terms: 2.25 + -2.25 = 0.00 0.00 + t = 5.031152949 + -2.25 t = 5.031152949 + -2.25 Combine like terms: 5.031152949 + -2.25 = 2.781152949 t = 2.781152949 Simplifying t = 2.781152949Subproblem 2
t + 2.25 = -5.031152949 Simplifying t + 2.25 = -5.031152949 Reorder the terms: 2.25 + t = -5.031152949 Solving 2.25 + t = -5.031152949 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2.25' to each side of the equation. 2.25 + -2.25 + t = -5.031152949 + -2.25 Combine like terms: 2.25 + -2.25 = 0.00 0.00 + t = -5.031152949 + -2.25 t = -5.031152949 + -2.25 Combine like terms: -5.031152949 + -2.25 = -7.281152949 t = -7.281152949 Simplifying t = -7.281152949Solution
The solution to the problem is based on the solutions from the subproblems. t = {2.781152949, -7.281152949}
| 5.6x-3.9y+9.9=0 | | ln(y)=3.2 | | 98-0.54t=4(2+0.54t) | | 18x+7x=10x+39 | | 3x^2+7-10= | | -6x=10-2y | | 8-8(1+3x)=23-1x | | .0625x+.1875=x | | y=2+0.54(50) | | 8(w-7)=5 | | 3(2)+y=-1 | | 3(w-9)=-6 | | 6x+4(-3x-6)=-26-4x | | 3(0)+y=-1 | | 3(-1)+y=-1 | | 110=12x+10x | | 9x/x=0 | | (5x+7)=13 | | 19x^3+51x^2-33x+9=0 | | -2.3=20.7 | | -2b=36 | | -52=55 | | 2.95=5sinc | | 5(1)-4=y | | 29=-3v-5v-27 | | x=25/100 | | 9x+7y=-25 | | 3(180-x)-7(90-x)=(1/3)(90) | | -5-4=y | | 13x+y=-84 | | c=39.07+0.50x | | 2+3n=5-4n |