f(4x)=3x^2-9

Simple and best practice solution for f(4x)=3x^2-9 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 f(4x)=3x^2-9 equation: 


Simplifying
f(4x) = 3x2 + -9

Remove parenthesis around (4x)
f * 4x = 3x2 + -9

Reorder the terms for easier multiplication:
4f * x = 3x2 + -9

Multiply f * x
4fx = 3x2 + -9

Reorder the terms:
4fx = -9 + 3x2

Solving
4fx = -9 + 3x2

Solving for variable 'f'.

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

Divide each side by '4x'.
f = -2.25x-1 + 0.75x

Simplifying
f = -2.25x-1 + 0.75x

See similar equations:

| (x-8)=3x | | 5(10x-2)=490 | | -6=-3+b | | 2x^2-33x-54=0 | | 7(-9x+4)=-350 | | 2ysquared-x=m | | log(x)=-1.05 | | 8b=-48 | | 27=4r-17 | | 5p-8=1+p-9 | | (x-2)+(2x+9)=30 | | -8(7x+12)=-376 | | 14x-4=1222 | | a-71=5 | | f(3)=-x^2+2x-9 | | -3(3s-1)-3=-3(9s+1)-5 | | 35x-13-18x=166 | | 2a+4b=3c | | -10(8x+4)=520 | | 25x^2+y^2-400=0 | | 2v-5=5 | | 10c=8+9c | | 81=6x+3(5x-8) | | -77=7x | | 2(6y-3z)= | | 9x^2+47x=42 | | -9(-5x+2)=252 | | 48=11y+48 | | -8=4s | | 14=-2(x-4) | | -3(2s-3)-9=-3(6s+4)-4 | | 175m-75m+47750=50750-150 |

Equations solver categories