4x^2+16x-525=0

Simple and best practice solution for 4x^2+16x-525=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 4x^2+16x-525=0 equation:


Simplifying
4x2 + 16x + -525 = 0

Reorder the terms:
-525 + 16x + 4x2 = 0

Solving
-525 + 16x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-131.25 + 4x + x2 = 0

Move the constant term to the right:

Add '131.25' to each side of the equation.
-131.25 + 4x + 131.25 + x2 = 0 + 131.25

Reorder the terms:
-131.25 + 131.25 + 4x + x2 = 0 + 131.25

Combine like terms: -131.25 + 131.25 = 0.00
0.00 + 4x + x2 = 0 + 131.25
4x + x2 = 0 + 131.25

Combine like terms: 0 + 131.25 = 131.25
4x + x2 = 131.25

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 = 131.25 + 4

Reorder the terms:
4 + 4x + x2 = 131.25 + 4

Combine like terms: 131.25 + 4 = 135.25
4 + 4x + x2 = 135.25

Factor a perfect square on the left side:
(x + 2)(x + 2) = 135.25

Calculate the square root of the right side: 11.62970335

Break this problem into two subproblems by setting 
(x + 2) equal to 11.62970335 and -11.62970335.

Subproblem 1

x + 2 = 11.62970335 Simplifying x + 2 = 11.62970335 Reorder the terms: 2 + x = 11.62970335 Solving 2 + x = 11.62970335 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 = 11.62970335 + -2 Combine like terms: 2 + -2 = 0 0 + x = 11.62970335 + -2 x = 11.62970335 + -2 Combine like terms: 11.62970335 + -2 = 9.62970335 x = 9.62970335 Simplifying x = 9.62970335

Subproblem 2

x + 2 = -11.62970335 Simplifying x + 2 = -11.62970335 Reorder the terms: 2 + x = -11.62970335 Solving 2 + x = -11.62970335 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 = -11.62970335 + -2 Combine like terms: 2 + -2 = 0 0 + x = -11.62970335 + -2 x = -11.62970335 + -2 Combine like terms: -11.62970335 + -2 = -13.62970335 x = -13.62970335 Simplifying x = -13.62970335

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.62970335, -13.62970335}

See similar equations:

| 6x+15=14x-64 | | 16x^2-8x=-1 | | 2y^2-8xy^3=0 | | 28+6t=7(t+4) | | 91-4x=32x+15 | | 4x^2-16x-525=0 | | -146=-4(5x+4)-6x | | 8a+9+7=0 | | -8n+16=-4n-8 | | -v-6-3v=2 | | 9x-17=9x-39 | | -6x+3x=6 | | -3+15=16x-4-15x | | .2[(x+1)(x+1)]+10=0 | | 2w-17.3=5.7 | | 6t=8 | | 6y-14y=-24-32 | | 18a^2-50=0 | | -6(3n-4)=-120 | | 4(2y+.85)=12.4-y | | 1+4d=20 | | 6n-2+5n=-13 | | 30-16=2(x-4) | | (y+3)(y+2)=y(y+7) | | -3(-5+7n)-6n=-93 | | x+24+2x=-7-2x-14 | | x^2-6-3x=0 | | 7m+3(1+6m)=-147 | | 2x+5=14,8+(x-3) | | c=7.96 | | 3x+3=12+8+4 | | 3(b+4)=15 |

Equations solver categories