5x^2=14x+4

Simple and best practice solution for 5x^2=14x+4 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 5x^2=14x+4 equation:


Simplifying
5x2 = 14x + 4

Reorder the terms:
5x2 = 4 + 14x

Solving
5x2 = 4 + 14x

Solving for variable 'x'.

Reorder the terms:
-4 + -14x + 5x2 = 4 + 14x + -4 + -14x

Reorder the terms:
-4 + -14x + 5x2 = 4 + -4 + 14x + -14x

Combine like terms: 4 + -4 = 0
-4 + -14x + 5x2 = 0 + 14x + -14x
-4 + -14x + 5x2 = 14x + -14x

Combine like terms: 14x + -14x = 0
-4 + -14x + 5x2 = 0

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

Divide each side by '5'.
-0.8 + -2.8x + x2 = 0

Move the constant term to the right:

Add '0.8' to each side of the equation.
-0.8 + -2.8x + 0.8 + x2 = 0 + 0.8

Reorder the terms:
-0.8 + 0.8 + -2.8x + x2 = 0 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + -2.8x + x2 = 0 + 0.8
-2.8x + x2 = 0 + 0.8

Combine like terms: 0 + 0.8 = 0.8
-2.8x + x2 = 0.8

The x term is -2.8x.  Take half its coefficient (-1.4).
Square it (1.96) and add it to both sides.

Add '1.96' to each side of the equation.
-2.8x + 1.96 + x2 = 0.8 + 1.96

Reorder the terms:
1.96 + -2.8x + x2 = 0.8 + 1.96

Combine like terms: 0.8 + 1.96 = 2.76
1.96 + -2.8x + x2 = 2.76

Factor a perfect square on the left side:
(x + -1.4)(x + -1.4) = 2.76

Calculate the square root of the right side: 1.661324773

Break this problem into two subproblems by setting 
(x + -1.4) equal to 1.661324773 and -1.661324773.

Subproblem 1

x + -1.4 = 1.661324773 Simplifying x + -1.4 = 1.661324773 Reorder the terms: -1.4 + x = 1.661324773 Solving -1.4 + x = 1.661324773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.4' to each side of the equation. -1.4 + 1.4 + x = 1.661324773 + 1.4 Combine like terms: -1.4 + 1.4 = 0.0 0.0 + x = 1.661324773 + 1.4 x = 1.661324773 + 1.4 Combine like terms: 1.661324773 + 1.4 = 3.061324773 x = 3.061324773 Simplifying x = 3.061324773

Subproblem 2

x + -1.4 = -1.661324773 Simplifying x + -1.4 = -1.661324773 Reorder the terms: -1.4 + x = -1.661324773 Solving -1.4 + x = -1.661324773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.4' to each side of the equation. -1.4 + 1.4 + x = -1.661324773 + 1.4 Combine like terms: -1.4 + 1.4 = 0.0 0.0 + x = -1.661324773 + 1.4 x = -1.661324773 + 1.4 Combine like terms: -1.661324773 + 1.4 = -0.261324773 x = -0.261324773 Simplifying x = -0.261324773

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.061324773, -0.261324773}

See similar equations:

| F(-10)=3(2x-6)+20 | | .1x-.2=-.43 | | 3x^2=-19 | | 30+(0.25x)=59.5 | | 9(x+7)=4-2x | | .7x-1.6=-3.21 | | y=-2/7x-4 | | Y=6h+50 | | 5-2x=9+5x | | -(-2x-4)+(8x-7)=1-(12x+9) | | 8x-21=-9(x+8) | | 15x+-8=4x+10 | | 28/(7/3) | | 13+72=-23 | | 12+4m+5-2m=-13 | | 1/6|3-2x|^6x | | 4x+8=6x-24 | | (5+6x)=(4+3x) | | X-180=16.67x | | -9+7n=26 | | (3+y)(5y-1)=0 | | 0.12x^2+1.8x-6=0 | | (3x^-3/4x^4)^-3 | | 7y+8-4y=2+2y-9 | | -7.5x+0.77=-2.23 | | 2y=-10+18 | | -1/4a-4=7/4a- | | -16t^2+35t+1.5=0 | | 4x-7=4x-14 | | F(x)=-x^6+2x^3-x | | 9=-16t^2+73 | | 3x-1/7=x-2/2 |

Equations solver categories