f(x)=3*(x+5)*(x+7)

Simple and best practice solution for f(x)=3*(x+5)*(x+7) 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)=3*(x+5)*(x+7) equation: 


Simplifying
f(x) = 3(x + 5)(x + 7)

Multiply f * x
fx = 3(x + 5)(x + 7)

Reorder the terms:
fx = 3(5 + x)(x + 7)

Reorder the terms:
fx = 3(5 + x)(7 + x)

Multiply (5 + x) * (7 + x)
fx = 3(5(7 + x) + x(7 + x))
fx = 3((7 * 5 + x * 5) + x(7 + x))
fx = 3((35 + 5x) + x(7 + x))
fx = 3(35 + 5x + (7 * x + x * x))
fx = 3(35 + 5x + (7x + x2))

Combine like terms: 5x + 7x = 12x
fx = 3(35 + 12x + x2)
fx = (35 * 3 + 12x * 3 + x2 * 3)
fx = (105 + 36x + 3x2)

Solving
fx = 105 + 36x + 3x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 105x-1 + 36 + 3x

Simplifying
f = 105x-1 + 36 + 3x

Reorder the terms:
f = 36 + 105x-1 + 3x

See similar equations:

| ln(8)+ln(x)=1.3 | | (7x-3)+(4+6x)=180 | | dy/dx=(sin(4(pi)x))^2 | | x^3-4x-8=-2x^2 | | (9y^2-5y+6)-(3y^2+y-4)= | | 15y=10x^2 | | 3x+6+10-5x=-32 | | 3k=3-8k | | (3x+6)+90=180 | | 11=3-6a+5a | | (10*5)-5= | | -20=5n-n | | (4y+4)-(3-3y)=10 | | 3a+b+a-5= | | 4x/5=180 | | .5x+10=2x-35 | | 7x-7+8x=8 | | -2(3w+6)=0 | | 8x-1.8=43/5 | | -6x^2-16x+3=0 | | 24=2-4n-7n | | 2/x-4=16/x^2-16 | | 5x-4=-8+6x | | 7x+12=5x+38 | | 5x+22=3x+50 | | 7m+3-2m=-10 | | 2r(24x+13x+5)= | | Y=8cos(2x) | | X^2+4x+16=60+16 | | 3x-7=-4x+7 | | 5x+117=3x+191 | | 9x+7x-23=8x+7x-18 |

Equations solver categories