-16x^2+30x+3=0

Simple and best practice solution for -16x^2+30x+3=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+30x+3=0 equation:


Simplifying
-16x2 + 30x + 3 = 0

Reorder the terms:
3 + 30x + -16x2 = 0

Solving
3 + 30x + -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'.
-0.1875 + -1.875x + x2 = 0

Move the constant term to the right:

Add '0.1875' to each side of the equation.
-0.1875 + -1.875x + 0.1875 + x2 = 0 + 0.1875

Reorder the terms:
-0.1875 + 0.1875 + -1.875x + x2 = 0 + 0.1875

Combine like terms: -0.1875 + 0.1875 = 0.0000
0.0000 + -1.875x + x2 = 0 + 0.1875
-1.875x + x2 = 0 + 0.1875

Combine like terms: 0 + 0.1875 = 0.1875
-1.875x + x2 = 0.1875

The x term is -1.875x.  Take half its coefficient (-0.9375).
Square it (0.87890625) and add it to both sides.

Add '0.87890625' to each side of the equation.
-1.875x + 0.87890625 + x2 = 0.1875 + 0.87890625

Reorder the terms:
0.87890625 + -1.875x + x2 = 0.1875 + 0.87890625

Combine like terms: 0.1875 + 0.87890625 = 1.06640625
0.87890625 + -1.875x + x2 = 1.06640625

Factor a perfect square on the left side:
(x + -0.9375)(x + -0.9375) = 1.06640625

Calculate the square root of the right side: 1.032669478

Break this problem into two subproblems by setting 
(x + -0.9375) equal to 1.032669478 and -1.032669478.

Subproblem 1

x + -0.9375 = 1.032669478 Simplifying x + -0.9375 = 1.032669478 Reorder the terms: -0.9375 + x = 1.032669478 Solving -0.9375 + x = 1.032669478 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = 1.032669478 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = 1.032669478 + 0.9375 x = 1.032669478 + 0.9375 Combine like terms: 1.032669478 + 0.9375 = 1.970169478 x = 1.970169478 Simplifying x = 1.970169478

Subproblem 2

x + -0.9375 = -1.032669478 Simplifying x + -0.9375 = -1.032669478 Reorder the terms: -0.9375 + x = -1.032669478 Solving -0.9375 + x = -1.032669478 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = -1.032669478 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = -1.032669478 + 0.9375 x = -1.032669478 + 0.9375 Combine like terms: -1.032669478 + 0.9375 = -0.095169478 x = -0.095169478 Simplifying x = -0.095169478

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.970169478, -0.095169478}

See similar equations:

| 2(-1)=3-5y | | -4-5=-2+x | | -4+7x-9x=6-4x | | 12=3w-7-2w-12 | | 8(3-x)+4x-8=11 | | 8x^3-300=0 | | 2(-2)=3-5y | | 2(3r+5)=22 | | 13(t-3)+8t=7(3t+3)-12 | | -32x+30=0 | | 2x-1+7=3 | | 4t+6=3t+11 | | -30x+60=0 | | 8(7+3x)=(7x-2)(4) | | 5(-2)=8-4y | | -1+2x-5x=5-x | | 2x^3+x^2-14x+7=0 | | 10=16w+8+5w-40 | | 2x+y=10+y | | 9x+7=y | | 2x+(5x+12)=-9 | | 9b^2+6b+1= | | 9+13y-6=7y+51-2y | | 4y=3+2(5) | | 9b^2+6b+1=0 | | 4y=3+2(2) | | 9+10r-5=8r+46-5r | | 2.7m+1.34=-15.13 | | 4y=3+2(0) | | (-2)(1-6x)=(5x+8)(-2) | | 4y=3+2(-1) | | -8-2=5x+7-4x |

Equations solver categories