2t-1=3t(t+7)

Simple and best practice solution for 2t-1=3t(t+7) equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2t-1=3t(t+7) equation:


Simplifying
2t + -1 = 3t(t + 7)

Reorder the terms:
-1 + 2t = 3t(t + 7)

Reorder the terms:
-1 + 2t = 3t(7 + t)
-1 + 2t = (7 * 3t + t * 3t)
-1 + 2t = (21t + 3t2)

Solving
-1 + 2t = 21t + 3t2

Solving for variable 't'.

Combine like terms: 2t + -21t = -19t
-1 + -19t + -3t2 = 21t + 3t2 + -21t + -3t2

Reorder the terms:
-1 + -19t + -3t2 = 21t + -21t + 3t2 + -3t2

Combine like terms: 21t + -21t = 0
-1 + -19t + -3t2 = 0 + 3t2 + -3t2
-1 + -19t + -3t2 = 3t2 + -3t2

Combine like terms: 3t2 + -3t2 = 0
-1 + -19t + -3t2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 19t + 3t2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(1 + 19t + 3t2)' equal to zero and attempt to solve: Simplifying 1 + 19t + 3t2 = 0 Solving 1 + 19t + 3t2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + 6.333333333t + t2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + 6.333333333t + -0.3333333333 + t2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + 6.333333333t + t2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + 6.333333333t + t2 = 0 + -0.3333333333 6.333333333t + t2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 6.333333333t + t2 = -0.3333333333 The t term is 6.333333333t. Take half its coefficient (3.166666667). Square it (10.02777778) and add it to both sides. Add '10.02777778' to each side of the equation. 6.333333333t + 10.02777778 + t2 = -0.3333333333 + 10.02777778 Reorder the terms: 10.02777778 + 6.333333333t + t2 = -0.3333333333 + 10.02777778 Combine like terms: -0.3333333333 + 10.02777778 = 9.6944444467 10.02777778 + 6.333333333t + t2 = 9.6944444467 Factor a perfect square on the left side: (t + 3.166666667)(t + 3.166666667) = 9.6944444467 Calculate the square root of the right side: 3.113590282 Break this problem into two subproblems by setting (t + 3.166666667) equal to 3.113590282 and -3.113590282.

Subproblem 1

t + 3.166666667 = 3.113590282 Simplifying t + 3.166666667 = 3.113590282 Reorder the terms: 3.166666667 + t = 3.113590282 Solving 3.166666667 + t = 3.113590282 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-3.166666667' to each side of the equation. 3.166666667 + -3.166666667 + t = 3.113590282 + -3.166666667 Combine like terms: 3.166666667 + -3.166666667 = 0.000000000 0.000000000 + t = 3.113590282 + -3.166666667 t = 3.113590282 + -3.166666667 Combine like terms: 3.113590282 + -3.166666667 = -0.053076385 t = -0.053076385 Simplifying t = -0.053076385

Subproblem 2

t + 3.166666667 = -3.113590282 Simplifying t + 3.166666667 = -3.113590282 Reorder the terms: 3.166666667 + t = -3.113590282 Solving 3.166666667 + t = -3.113590282 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-3.166666667' to each side of the equation. 3.166666667 + -3.166666667 + t = -3.113590282 + -3.166666667 Combine like terms: 3.166666667 + -3.166666667 = 0.000000000 0.000000000 + t = -3.113590282 + -3.166666667 t = -3.113590282 + -3.166666667 Combine like terms: -3.113590282 + -3.166666667 = -6.280256949 t = -6.280256949 Simplifying t = -6.280256949

Solution

The solution to the problem is based on the solutions from the subproblems. t = {-0.053076385, -6.280256949}

Solution

t = {-0.053076385, -6.280256949}

See similar equations:

| x^2+4+2x-3x=1 | | a+4+a-2= | | 1/9x+6=-3 | | (x+3)(x^2+1)= | | 11-5y=.5+.25y | | Y-7x=67.9 | | v=5*3*1 | | 3x=40-2x | | y/3+1/2=3y | | -6x=16/3 | | x-1/12=7/12 | | 0.2+5=8 | | X-10=7X+2 | | 3/4t-4=5 | | (7v-2)^1/4+12=7 | | 7x-8+3x=8+2x | | -16n+7=-15n-15 | | x+3/8=-1/-4 | | 7x-3=4x+39 | | -40+3g=-10 | | 7.57=2*3.14*r | | x-8=12-x | | 2x+7=-29 | | 3x-3=21x+3 | | 2(25-x)=3x | | 3/7y+1/2=7/2 | | 25-3x=-8x | | 3(x+6)-12= | | 4b=2b-12 | | 2(1+x)=18 | | 6+1221/6 | | 6(5+5y)-2y=2 |

Equations solver categories