4t^2-7t=1

Simple and best practice solution for 4t^2-7t=1 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 4t^2-7t=1 equation:


Simplifying
4t2 + -7t = 1

Reorder the terms:
-7t + 4t2 = 1

Solving
-7t + 4t2 = 1

Solving for variable 't'.

Reorder the terms:
-1 + -7t + 4t2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -7t + 4t2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-0.25 + -1.75t + t2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -1.75t + 0.25 + t2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -1.75t + t2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -1.75t + t2 = 0 + 0.25
-1.75t + t2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-1.75t + t2 = 0.25

The t term is -1.75t.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75t + 0.765625 + t2 = 0.25 + 0.765625

Reorder the terms:
0.765625 + -1.75t + t2 = 0.25 + 0.765625

Combine like terms: 0.25 + 0.765625 = 1.015625
0.765625 + -1.75t + t2 = 1.015625

Factor a perfect square on the left side:
(t + -0.875)(t + -0.875) = 1.015625

Calculate the square root of the right side: 1.007782219

Break this problem into two subproblems by setting 
(t + -0.875) equal to 1.007782219 and -1.007782219.

Subproblem 1

t + -0.875 = 1.007782219 Simplifying t + -0.875 = 1.007782219 Reorder the terms: -0.875 + t = 1.007782219 Solving -0.875 + t = 1.007782219 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.875' to each side of the equation. -0.875 + 0.875 + t = 1.007782219 + 0.875 Combine like terms: -0.875 + 0.875 = 0.000 0.000 + t = 1.007782219 + 0.875 t = 1.007782219 + 0.875 Combine like terms: 1.007782219 + 0.875 = 1.882782219 t = 1.882782219 Simplifying t = 1.882782219

Subproblem 2

t + -0.875 = -1.007782219 Simplifying t + -0.875 = -1.007782219 Reorder the terms: -0.875 + t = -1.007782219 Solving -0.875 + t = -1.007782219 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.875' to each side of the equation. -0.875 + 0.875 + t = -1.007782219 + 0.875 Combine like terms: -0.875 + 0.875 = 0.000 0.000 + t = -1.007782219 + 0.875 t = -1.007782219 + 0.875 Combine like terms: -1.007782219 + 0.875 = -0.132782219 t = -0.132782219 Simplifying t = -0.132782219

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.882782219, -0.132782219}

See similar equations:

| 2x=6x+7 | | (x-6)(x-7)=0 | | 6x-9=-15 | | 4x-6y=18 | | 5-8b=-3b-5(5+2b) | | 35y-60x=72 | | 2+7k=-k+20 | | -2x=100+18x | | 19t=26+6t | | Y=CX+h | | 4(x+2)-8=80 | | 4x-0188=15 | | 2a+9=5a | | 0.1x-3.3=0.5(x-5) | | 7-b=10 | | x-(-13)=-21 | | 28=6x-27x | | 9x+6=9(x+7) | | w^2*w^2= | | 2t=208.5 | | 14+x-11-x+x-3=1 | | 2(y-3)+6=70 | | Kx+Ly=M | | 4y-6x=2 | | 8x+2=-56 | | 6x+8=64 | | 2y=-3x-4 | | (7c)+(4c)=22 | | 24x=8y+3 | | 8x+4=48 | | x+x+x-4-3-2=12 | | 6-9x+4y=0 |

Equations solver categories