16x^2+12x-25=0

Simple and best practice solution for 16x^2+12x-25=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 16x^2+12x-25=0 equation:


Simplifying
16x2 + 12x + -25 = 0

Reorder the terms:
-25 + 12x + 16x2 = 0

Solving
-25 + 12x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
-1.5625 + 0.75x + x2 = 0

Move the constant term to the right:

Add '1.5625' to each side of the equation.
-1.5625 + 0.75x + 1.5625 + x2 = 0 + 1.5625

Reorder the terms:
-1.5625 + 1.5625 + 0.75x + x2 = 0 + 1.5625

Combine like terms: -1.5625 + 1.5625 = 0.0000
0.0000 + 0.75x + x2 = 0 + 1.5625
0.75x + x2 = 0 + 1.5625

Combine like terms: 0 + 1.5625 = 1.5625
0.75x + x2 = 1.5625

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = 1.5625 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = 1.5625 + 0.140625

Combine like terms: 1.5625 + 0.140625 = 1.703125
0.140625 + 0.75x + x2 = 1.703125

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = 1.703125

Calculate the square root of the right side: 1.305038314

Break this problem into two subproblems by setting 
(x + 0.375) equal to 1.305038314 and -1.305038314.

Subproblem 1

x + 0.375 = 1.305038314 Simplifying x + 0.375 = 1.305038314 Reorder the terms: 0.375 + x = 1.305038314 Solving 0.375 + x = 1.305038314 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 1.305038314 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 1.305038314 + -0.375 x = 1.305038314 + -0.375 Combine like terms: 1.305038314 + -0.375 = 0.930038314 x = 0.930038314 Simplifying x = 0.930038314

Subproblem 2

x + 0.375 = -1.305038314 Simplifying x + 0.375 = -1.305038314 Reorder the terms: 0.375 + x = -1.305038314 Solving 0.375 + x = -1.305038314 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -1.305038314 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -1.305038314 + -0.375 x = -1.305038314 + -0.375 Combine like terms: -1.305038314 + -0.375 = -1.680038314 x = -1.680038314 Simplifying x = -1.680038314

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.930038314, -1.680038314}

See similar equations:

| 79-4x=41x+24 | | 12(3x+3)-7(2*-2)=12x-10 | | y-y=-2x+4x-1+(-5) | | 8x-12=29x-42 | | 9b=7b-70 | | -5*0= | | 15-y=51 | | 12-8x=42+-29x | | x+4x(4x+32)=12 | | x^2+4-2x=0 | | 8n-12n= | | 39=-2(22-m)+3(m-4) | | 8x-1=5x+20 | | 6(2x-4)=(4x-6) | | 7x^3-21x^2-91x+104=0 | | 15x+7-12=4 | | x^2-5x-45=0 | | -(x-2)=-9 | | -5(2x-4)=-3(4x-6) | | -(z+1)=-2(5-z) | | 2y-3x+11+10y-2x=180 | | x^2-27=-3x+1 | | 3-3[2-(6y-2)]= | | -3x-17+4x=x-5+x | | x^2-12x+44-9=0 | | 4[7-(y+2)]= | | -2x-10=180 | | 5(6x-4)+2=3(10x-20) | | 4(y-5)=16 | | 13-(-7x)+5x-(-10)= | | 2x^2-5x-52=0 | | -8y+4=20 |

Equations solver categories