f(3)+f(-3)=-x^2-4x+5

Simple and best practice solution for f(3)+f(-3)=-x^2-4x+5 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(3)+f(-3)=-x^2-4x+5 equation: 


Simplifying
f(3) + f(-3) = -1x2 + -4x + 5

Reorder the terms for easier multiplication:
3f + f(-3) = -1x2 + -4x + 5

Reorder the terms for easier multiplication:
3f + -3f = -1x2 + -4x + 5

Combine like terms: 3f + -3f = 0
0 = -1x2 + -4x + 5

Reorder the terms:
0 = 5 + -4x + -1x2

Solving
0 = 5 + -4x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + 4x + x2 = 5 + -4x + -1x2 + -5 + 4x + x2

Reorder the terms:
-5 + 4x + x2 = 5 + -5 + -4x + 4x + -1x2 + x2

Combine like terms: 5 + -5 = 0
-5 + 4x + x2 = 0 + -4x + 4x + -1x2 + x2
-5 + 4x + x2 = -4x + 4x + -1x2 + x2

Combine like terms: -4x + 4x = 0
-5 + 4x + x2 = 0 + -1x2 + x2
-5 + 4x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-5 + 4x + x2 = 0

Factor a trinomial.
(-5 + -1x)(1 + -1x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

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

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

Subproblem 2
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -1x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = 0 + -1
-1x = 0 + -1

Combine like terms: 0 + -1 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1
Solution
x = {-5, 1}

See similar equations:

| 7e^5x=10 | | 7-y=4x | | 27=-9(p-4) | | 1.66666y=400 | | (2x+5)+8=4 | | 5(x)-8=48 | | 6n+6n=4n+16 | | E^35t=10 | | 3x-12-4x+12=x+3-x+2 | | -14k+2k-2k=1-13k | | f(-3)=-x^2-4x+5 | | 3x-1=4x+x | | 3x^2-70x+300=0 | | 3x+1=13x+8 | | 2n+3+7n=-24 | | 10y+3=20y-17 | | x+.22=150 | | 5k+8-8=20 | | 3X+X=460 | | 1-2(3x+1)=3x-4(3x+4) | | 9x^8y^6+18x^6y^5+27xy= | | 15X-40+7=3 | | n+7-6n=-3 | | -2x^7+x^4-8=0 | | 8y^3-4y= | | 3x=-10-4 | | 7n-4=3n+12 | | xsquared=512 | | 3(a-3)+8(3-4a)=44 | | 2.5(x-4)-6x=3-x | | 7x-11+2x=2+9x-13 | | -5y+14+3y=26 |

Equations solver categories