4x^2+16x+9=10

Simple and best practice solution for 4x^2+16x+9=10 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 4x^2+16x+9=10 equation:


Simplifying
4x2 + 16x + 9 = 10

Reorder the terms:
9 + 16x + 4x2 = 10

Solving
9 + 16x + 4x2 = 10

Solving for variable 'x'.

Reorder the terms:
9 + -10 + 16x + 4x2 = 10 + -10

Combine like terms: 9 + -10 = -1
-1 + 16x + 4x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-1 + 16x + 4x2 = 0

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

Divide each side by '4'.
-0.25 + 4x + x2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + 4x + 0.25 + x2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + 4x + x2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + 4x + x2 = 0 + 0.25
4x + x2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
4x + x2 = 0.25

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

Add '4' to each side of the equation.
4x + 4 + x2 = 0.25 + 4

Reorder the terms:
4 + 4x + x2 = 0.25 + 4

Combine like terms: 0.25 + 4 = 4.25
4 + 4x + x2 = 4.25

Factor a perfect square on the left side:
(x + 2)(x + 2) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + 2) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + 2 = 2.061552813 Simplifying x + 2 = 2.061552813 Reorder the terms: 2 + x = 2.061552813 Solving 2 + x = 2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 2.061552813 + -2 Combine like terms: 2 + -2 = 0 0 + x = 2.061552813 + -2 x = 2.061552813 + -2 Combine like terms: 2.061552813 + -2 = 0.061552813 x = 0.061552813 Simplifying x = 0.061552813

Subproblem 2

x + 2 = -2.061552813 Simplifying x + 2 = -2.061552813 Reorder the terms: 2 + x = -2.061552813 Solving 2 + x = -2.061552813 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -2.061552813 + -2 Combine like terms: 2 + -2 = 0 0 + x = -2.061552813 + -2 x = -2.061552813 + -2 Combine like terms: -2.061552813 + -2 = -4.061552813 x = -4.061552813 Simplifying x = -4.061552813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.061552813, -4.061552813}

See similar equations:

| 7x+2=-4x+9.7 | | 4x^2+16x+9=0 | | 7x-42=4x+17 | | -7c+9=3x+4 | | 148-4x=6x+8 | | x*x=3y | | -4x+1.4=-5x+1.9 | | x=w-4v | | 5a(x-5a)=b(x-b)solvex | | -16c=-112 | | 6x+7-4x=8+7x-26 | | x=w-y | | 6y-3y+2=-16 | | x=2v+4y | | 2x-8(8x-17)=12 | | 144=2x^2 | | x+v*v=w | | 6(t-5)=2(t-5) | | 4-x=3(x-7) | | 18-32z^2=0 | | 27x^6+45x^4+18x^2= | | 128-5X=31X+24 | | 12x(2x-3)= | | 2(k-4)+k=7 | | 5x=6x-9 | | 5x=6x-p | | -2x+4=4x+1 | | c=2pier | | 4(-3+3)=-6(-3+3) | | 151-2x=25x+19 | | -6g+3g+12=-18 | | 3t+4=10 |

Equations solver categories