(t^2)+4t=7

Simple and best practice solution for (t^2)+4t=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 (t^2)+4t=7 equation:


Simplifying
(t2) + 4t = 7
t2 + 4t = 7

Reorder the terms:
4t + t2 = 7

Solving
4t + t2 = 7

Solving for variable 't'.

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

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

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 4t + 7 + t2 = 0 + 7

Reorder the terms:
-7 + 7 + 4t + t2 = 0 + 7

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

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

The t term is 4t.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4t + 4 + t2 = 7 + 4

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

Combine like terms: 7 + 4 = 11
4 + 4t + t2 = 11

Factor a perfect square on the left side:
(t + 2)(t + 2) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(t + 2) equal to 3.31662479 and -3.31662479.

Subproblem 1

t + 2 = 3.31662479 Simplifying t + 2 = 3.31662479 Reorder the terms: 2 + t = 3.31662479 Solving 2 + t = 3.31662479 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = 3.31662479 + -2 Combine like terms: 2 + -2 = 0 0 + t = 3.31662479 + -2 t = 3.31662479 + -2 Combine like terms: 3.31662479 + -2 = 1.31662479 t = 1.31662479 Simplifying t = 1.31662479

Subproblem 2

t + 2 = -3.31662479 Simplifying t + 2 = -3.31662479 Reorder the terms: 2 + t = -3.31662479 Solving 2 + t = -3.31662479 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + t = -3.31662479 + -2 Combine like terms: 2 + -2 = 0 0 + t = -3.31662479 + -2 t = -3.31662479 + -2 Combine like terms: -3.31662479 + -2 = -5.31662479 t = -5.31662479 Simplifying t = -5.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.31662479, -5.31662479}

See similar equations:

| 4(y+1)=-1 | | 1/2*20*x+2=30 | | 12-(-3t)+6t-18= | | (4x-1)(2x+1)=0 | | -10+6p=110 | | 4(3+f)+6f=24 | | x^2+7x+30= | | 3-x=3 | | 3(2x-4)+2x+5+4(2x-3)=13 | | 5+2(2x-4)=3(2x-1) | | 5y+10x=10 | | 4(3+f)+6f=324 | | 7x+3y=49 | | 1/2*20*x+2 | | -68=-2(7v+6)-2(4-4v) | | 0.6(x−1,000)+1.5=2.4+0.3x | | 16.8/8=n | | (3x+1)(5x-2)=0 | | 0.4x+0.25(58-x)=32 | | -13+4x=1+5x-6 | | 5x+5y=65 | | 9y-4=23+9y | | 16.8/2.4= | | 1-6(6+c)=-53 | | -8-(-16)= | | x^2+x+1.25=0 | | 4x^2+7x-15=15 | | 1/2x20(x+2) | | (2x+9)+(3x-1)= | | 168/-8 | | -8-(-4) | | 2x+4+4+2x=x+10 |

Equations solver categories