f(-x)=-x^2+2(-x)-1

Simple and best practice solution for f(-x)=-x^2+2(-x)-1 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(-x)=-x^2+2(-x)-1 equation:


Simplifying
f(-1x) = -1x2 + 2(-1x) + -1

Remove parenthesis around (-1x)
f * -1x = -1x2 + 2(-1x) + -1

Reorder the terms for easier multiplication:
-1f * x = -1x2 + 2(-1x) + -1

Multiply f * x
-1fx = -1x2 + 2(-1x) + -1

Remove parenthesis around (-1x)
-1fx = -1x2 + 2 * -1x + -1

Multiply 2 * -1
-1fx = -1x2 + -2x + -1

Reorder the terms:
-1fx = -1 + -2x + -1x2

Solving
-1fx = -1 + -2x + -1x2

Solving for variable 'f'.

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

Divide each side by '-1x'.
f = x-1 + 2 + x

Simplifying
f = x-1 + 2 + x

Reorder the terms:
f = 2 + x-1 + x

See similar equations:

| (x-3)(3x+1)= | | -3x^2-8x+15=-4x^2-1 | | x-(-4.21)=15.7 | | f(x+7)=x+49+2(x+7)-1 | | 2w+12=3w+2 | | (x^3)(4x^5)= | | 3p-6-5p=5-p | | 5x^2=7+7x | | 2x+1.8+1=1.6x | | f(3)=9+2(3)-1 | | x=3-3/4 | | 6=x-28 | | 84+x=170 | | -4y+(-3)+4=5y+10y-1 | | x=3(3/4) | | 4c-6=42 | | (x-9)(4x+1)= | | 3/4(8t-4)=12 | | 9a=3a-2 | | 3.7a+44=-40 | | 6k^2+12k-90=0 | | -14=-5(m-7) | | f(3)=9+2x-1 | | 2-x=128 | | 8(x+.75)(x+.5)=0 | | f(-x)=2(-x)+8 | | 11=n*2.4 | | 5x+2=38+2x | | d*4=5 | | 9+3x+4=6x-7 | | f(x+9)=2(x+9)+8 | | 1/(sqrt(x))=.5487 |

Equations solver categories