49x^2+14x=1

Simple and best practice solution for 49x^2+14x=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 49x^2+14x=1 equation:


Simplifying
49x2 + 14x = 1

Reorder the terms:
14x + 49x2 = 1

Solving
14x + 49x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + 14x + 49x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 14x + 49x2 = 0

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

Divide each side by '49'.
-0.02040816327 + 0.2857142857x + x2 = 0

Move the constant term to the right:

Add '0.02040816327' to each side of the equation.
-0.02040816327 + 0.2857142857x + 0.02040816327 + x2 = 0 + 0.02040816327

Reorder the terms:
-0.02040816327 + 0.02040816327 + 0.2857142857x + x2 = 0 + 0.02040816327

Combine like terms: -0.02040816327 + 0.02040816327 = 0.00000000000
0.00000000000 + 0.2857142857x + x2 = 0 + 0.02040816327
0.2857142857x + x2 = 0 + 0.02040816327

Combine like terms: 0 + 0.02040816327 = 0.02040816327
0.2857142857x + x2 = 0.02040816327

The x term is 0.2857142857x.  Take half its coefficient (0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
0.2857142857x + 0.02040816328 + x2 = 0.02040816327 + 0.02040816328

Reorder the terms:
0.02040816328 + 0.2857142857x + x2 = 0.02040816327 + 0.02040816328

Combine like terms: 0.02040816327 + 0.02040816328 = 0.04081632655
0.02040816328 + 0.2857142857x + x2 = 0.04081632655

Factor a perfect square on the left side:
(x + 0.1428571429)(x + 0.1428571429) = 0.04081632655

Calculate the square root of the right side: 0.202030509

Break this problem into two subproblems by setting 
(x + 0.1428571429) equal to 0.202030509 and -0.202030509.

Subproblem 1

x + 0.1428571429 = 0.202030509 Simplifying x + 0.1428571429 = 0.202030509 Reorder the terms: 0.1428571429 + x = 0.202030509 Solving 0.1428571429 + x = 0.202030509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = 0.202030509 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = 0.202030509 + -0.1428571429 x = 0.202030509 + -0.1428571429 Combine like terms: 0.202030509 + -0.1428571429 = 0.0591733661 x = 0.0591733661 Simplifying x = 0.0591733661

Subproblem 2

x + 0.1428571429 = -0.202030509 Simplifying x + 0.1428571429 = -0.202030509 Reorder the terms: 0.1428571429 + x = -0.202030509 Solving 0.1428571429 + x = -0.202030509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = -0.202030509 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = -0.202030509 + -0.1428571429 x = -0.202030509 + -0.1428571429 Combine like terms: -0.202030509 + -0.1428571429 = -0.3448876519 x = -0.3448876519 Simplifying x = -0.3448876519

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.0591733661, -0.3448876519}

See similar equations:

| -8m+3m=14-34 | | -7-7x=-91 | | -5x+12=-11 | | 7x^2+46x-80=2 | | 15x+2x=5+3x | | X-(x-2)=-1.2 | | 3x=1x+10+12 | | T=133.86+.49*180 | | U^2-7u+18=0 | | 10=x(2x-7) | | 20=.5x-8 | | Y-9.65=19.1 | | 7x+2=2(x-8)+3x+4 | | 4n^2-42n+80=0 | | 4x=1+x | | -4(-1)=-24x+66 | | x-1.5=18 | | 5X+6=-7+3X+19 | | 3x-15+2x-30=69 | | 1+1x=x+1 | | T=133.86+.49m | | 6+6(2t-1)=3+21t | | f(I)=9f-5 | | P=18.75 | | .2*150000= | | 0=-16t^2+936t | | -7.2k=-17.28 | | 3r=5+6 | | 2x-30=111 | | 0.6(x-4)=0.2x-2.8 | | 3(0)=-27x+9 | | 8m-9+7m+x-10= |

Equations solver categories