4.9x^2-14x-60=0

Simple and best practice solution for 4.9x^2-14x-60=0 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 4.9x^2-14x-60=0 equation:


Simplifying
4.9x2 + -14x + -60 = 0

Reorder the terms:
-60 + -14x + 4.9x2 = 0

Solving
-60 + -14x + 4.9x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.9'.
-12.24489796 + -2.857142857x + x2 = 0

Move the constant term to the right:

Add '12.24489796' to each side of the equation.
-12.24489796 + -2.857142857x + 12.24489796 + x2 = 0 + 12.24489796

Reorder the terms:
-12.24489796 + 12.24489796 + -2.857142857x + x2 = 0 + 12.24489796

Combine like terms: -12.24489796 + 12.24489796 = 0.00000000
0.00000000 + -2.857142857x + x2 = 0 + 12.24489796
-2.857142857x + x2 = 0 + 12.24489796

Combine like terms: 0 + 12.24489796 = 12.24489796
-2.857142857x + x2 = 12.24489796

The x term is -2.857142857x.  Take half its coefficient (-1.428571429).
Square it (2.040816328) and add it to both sides.

Add '2.040816328' to each side of the equation.
-2.857142857x + 2.040816328 + x2 = 12.24489796 + 2.040816328

Reorder the terms:
2.040816328 + -2.857142857x + x2 = 12.24489796 + 2.040816328

Combine like terms: 12.24489796 + 2.040816328 = 14.285714288
2.040816328 + -2.857142857x + x2 = 14.285714288

Factor a perfect square on the left side:
(x + -1.428571429)(x + -1.428571429) = 14.285714288

Calculate the square root of the right side: 3.77964473

Break this problem into two subproblems by setting 
(x + -1.428571429) equal to 3.77964473 and -3.77964473.

Subproblem 1

x + -1.428571429 = 3.77964473 Simplifying x + -1.428571429 = 3.77964473 Reorder the terms: -1.428571429 + x = 3.77964473 Solving -1.428571429 + x = 3.77964473 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + x = 3.77964473 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + x = 3.77964473 + 1.428571429 x = 3.77964473 + 1.428571429 Combine like terms: 3.77964473 + 1.428571429 = 5.208216159 x = 5.208216159 Simplifying x = 5.208216159

Subproblem 2

x + -1.428571429 = -3.77964473 Simplifying x + -1.428571429 = -3.77964473 Reorder the terms: -1.428571429 + x = -3.77964473 Solving -1.428571429 + x = -3.77964473 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.428571429' to each side of the equation. -1.428571429 + 1.428571429 + x = -3.77964473 + 1.428571429 Combine like terms: -1.428571429 + 1.428571429 = 0.000000000 0.000000000 + x = -3.77964473 + 1.428571429 x = -3.77964473 + 1.428571429 Combine like terms: -3.77964473 + 1.428571429 = -2.351073301 x = -2.351073301 Simplifying x = -2.351073301

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.208216159, -2.351073301}

See similar equations:

| 4(a-8)+14=2(a-4) | | 5-=4m+8 | | 4.53-5h=2.8 | | 0=4m+8 | | 4x-9-9x+3= | | 5=4m+8 | | 6-y=72 | | 4k=4k-1 | | 14x=144 | | 14=7x | | 29=13+4n | | 12.8+x-8.1=5.4 | | 4=w | | 13x=12y | | .6y-.5=5 | | 29=8+x | | 6-7y=y-14 | | 6-2(x+1)=4 | | 3-w=24 | | [13-6(x-5y)]+10(9x+y)= | | 16x^3-x^2-17x=0 | | x+2/3=4 | | lny=lnx(ln(lnx)) | | 15v^2+22v-48=0 | | 6x^2+12x=-1 | | -.6+(-4a)=-1.4 | | 11-2a=11-a | | 45-2x=-5 | | y(5)=100 | | 3x-15=15+3x | | 9.9(2.9-0.96)-4.21= | | -3d-1.2=.9 |

Equations solver categories