16x^2-16+4=9

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


Simplifying
16x2 + -16 + 4 = 9

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

Combine like terms: -16 + 4 = -12
-12 + 16x2 = 9

Solving
-12 + 16x2 = 9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + 12 + 16x2 = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 16x2 = 9 + 12
16x2 = 9 + 12

Combine like terms: 9 + 12 = 21
16x2 = 21

Divide each side by '16'.
x2 = 1.3125

Simplifying
x2 = 1.3125

Take the square root of each side:
x = {-1.145643924, 1.145643924}

See similar equations:

| 3+19s-1=7s+114-25 | | .3+9n=21 | | -14=4y-2 | | 21x+6a=17x+34 | | y=2(1.5) | | -3/11x=-2/5 | | 5w+8-1w=4(w+2) | | X^2-20x-100=0 | | 2(-4y+2)+6y=2 | | 6r-3(r-1)=3 | | 9=-6p-3 | | 3(h-8)+1=-2 | | 3n=-71 | | 8y+5=15y-9 | | 24x=5x^2 | | 1/98x^2-150=0 | | 2c-2d=6 | | 6[7-(5x-7)]+4x=0 | | 2c-2d= | | 5x-28=13 | | 6x+(-75)=-15 | | 6x+(-74)=-38 | | 0.25=x/0.09 | | 8x+12=12x+48 | | z+6=-10 | | 6f-4g=32 | | 3x=10+6 | | 3x^2=-12x+15 | | lx-4l=22 | | (16+12x)=28 | | 3a+7=2b | | 6p^2=-17-10 |

Equations solver categories