-40=4.9t(-3.265t-8.163)

Simple and best practice solution for -40=4.9t(-3.265t-8.163) 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 -40=4.9t(-3.265t-8.163) equation:


Simplifying
-40 = 4.9t(-3.265t + -8.163)

Reorder the terms:
-40 = 4.9t(-8.163 + -3.265t)
-40 = (-8.163 * 4.9t + -3.265t * 4.9t)
-40 = (-39.9987t + -15.9985t2)

Solving
-40 = -39.9987t + -15.9985t2

Solving for variable 't'.

Reorder the terms:
-40 + 39.9987t + 15.9985t2 = -39.9987t + 39.9987t + -15.9985t2 + 15.9985t2

Combine like terms: -39.9987t + 39.9987t = 0.0000
-40 + 39.9987t + 15.9985t2 = 0.0000 + -15.9985t2 + 15.9985t2
-40 + 39.9987t + 15.9985t2 = -15.9985t2 + 15.9985t2

Combine like terms: -15.9985t2 + 15.9985t2 = 0.0000
-40 + 39.9987t + 15.9985t2 = 0.0000

Begin completing the square.  Divide all terms by
15.9985 the coefficient of the squared term: 

Divide each side by '15.9985'.
-2.500234397 + 2.500153139t + t2 = 0

Move the constant term to the right:

Add '2.500234397' to each side of the equation.
-2.500234397 + 2.500153139t + 2.500234397 + t2 = 0 + 2.500234397

Reorder the terms:
-2.500234397 + 2.500234397 + 2.500153139t + t2 = 0 + 2.500234397

Combine like terms: -2.500234397 + 2.500234397 = 0.000000000
0.000000000 + 2.500153139t + t2 = 0 + 2.500234397
2.500153139t + t2 = 0 + 2.500234397

Combine like terms: 0 + 2.500234397 = 2.500234397
2.500153139t + t2 = 2.500234397

The t term is 2.500153139t.  Take half its coefficient (1.25007657).
Square it (1.562691431) and add it to both sides.

Add '1.562691431' to each side of the equation.
2.500153139t + 1.562691431 + t2 = 2.500234397 + 1.562691431

Reorder the terms:
1.562691431 + 2.500153139t + t2 = 2.500234397 + 1.562691431

Combine like terms: 2.500234397 + 1.562691431 = 4.062925828
1.562691431 + 2.500153139t + t2 = 4.062925828

Factor a perfect square on the left side:
(t + 1.25007657)(t + 1.25007657) = 4.062925828

Calculate the square root of the right side: 2.015670069

Break this problem into two subproblems by setting 
(t + 1.25007657) equal to 2.015670069 and -2.015670069.

Subproblem 1

t + 1.25007657 = 2.015670069 Simplifying t + 1.25007657 = 2.015670069 Reorder the terms: 1.25007657 + t = 2.015670069 Solving 1.25007657 + t = 2.015670069 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.25007657' to each side of the equation. 1.25007657 + -1.25007657 + t = 2.015670069 + -1.25007657 Combine like terms: 1.25007657 + -1.25007657 = 0.00000000 0.00000000 + t = 2.015670069 + -1.25007657 t = 2.015670069 + -1.25007657 Combine like terms: 2.015670069 + -1.25007657 = 0.765593499 t = 0.765593499 Simplifying t = 0.765593499

Subproblem 2

t + 1.25007657 = -2.015670069 Simplifying t + 1.25007657 = -2.015670069 Reorder the terms: 1.25007657 + t = -2.015670069 Solving 1.25007657 + t = -2.015670069 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.25007657' to each side of the equation. 1.25007657 + -1.25007657 + t = -2.015670069 + -1.25007657 Combine like terms: 1.25007657 + -1.25007657 = 0.00000000 0.00000000 + t = -2.015670069 + -1.25007657 t = -2.015670069 + -1.25007657 Combine like terms: -2.015670069 + -1.25007657 = -3.265746639 t = -3.265746639 Simplifying t = -3.265746639

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.765593499, -3.265746639}

See similar equations:

| X^2+8x=12x+21 | | 5/3x=-20 | | 3x-[4x-(3-2x)]= | | -6s-18=42 | | 6x-1=180 | | .4(y+10)-.6(y+2)=2 | | g-4=10 | | (2z/7)-2=-5 | | 61n= | | (x+1)(x+4)=3x+39 | | 11(r+25)+-7=4 | | U+4.9=7.19 | | 16b+8=2(8b+4) | | 6y^4+3y^4= | | 16b+8=2(8p+4) | | 5x-2y+16=0 | | 2z/7-2=-5 | | Y+6.94=9.54 | | 2(x+9)-2= | | 2(q+21)+-9=27 | | 7x+7x=43 | | 18-3x=-5x+10 | | 15y-13y=17 | | 4y=8x+48 | | -16y=15(y+7) | | X^2+y^2+4y-5=0 | | 9x^2-14x+10=0 | | 8-1(x+1)=-20(4-x) | | 2(2y-1)=y+4 | | -8(x+-11)+4=-12 | | 8-1(x+1)=-0.2(4-x) | | -4x-5x-21=6 |

Equations solver categories