4x^2+4=x+18

Simple and best practice solution for 4x^2+4=x+18 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 4x^2+4=x+18 equation: 


Simplifying
4x2 + 4 = x + 18

Reorder the terms:
4 + 4x2 = x + 18

Reorder the terms:
4 + 4x2 = 18 + x

Solving
4 + 4x2 = 18 + x

Solving for variable 'x'.

Reorder the terms:
4 + -18 + -1x + 4x2 = 18 + x + -18 + -1x

Combine like terms: 4 + -18 = -14
-14 + -1x + 4x2 = 18 + x + -18 + -1x

Reorder the terms:
-14 + -1x + 4x2 = 18 + -18 + x + -1x

Combine like terms: 18 + -18 = 0
-14 + -1x + 4x2 = 0 + x + -1x
-14 + -1x + 4x2 = x + -1x

Combine like terms: x + -1x = 0
-14 + -1x + 4x2 = 0

Factor a trinomial.
(-7 + -4x)(2 + -1x) = 0


Subproblem 1
Set the factor '(-7 + -4x)' equal to zero and attempt to solve:

Simplifying
-7 + -4x = 0

Solving
-7 + -4x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -4x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = 0 + 7
-4x = 0 + 7

Combine like terms: 0 + 7 = 7
-4x = 7

Divide each side by '-4'.
x = -1.75

Simplifying
x = -1.75

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

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

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

Simplifying
x = 2
Solution
x = {-1.75, 2}

See similar equations:

| 18=b*2 | | 28n-5n=3n+20 | | 79=x+9 | | -6x+7=-7x+13 | | 10=b*1 | | 1+-5r=11+1-4r-5 | | 48=b*12 | | 28=2.8x | | 6X-6Y=5 | | -8+8=4(x-5) | | X+(3x-4)=8 | | x^3+10th=100 | | 56=b*4 | | 12x+6y=2 | | 105=b*15 | | ln(5x)=5.6 | | 27x^2=2700 | | 5x-17=3x-19 | | -8+8=4(5-5) | | 24=b*8 | | 2n+8=2+3n | | -3x+10=-11-6x | | 5+8=4(4-5) | | -64x^6-8x^5=0 | | 9x+36=117 | | 80-56= | | 8x-1/3(0)=16 | | 90-w=222 | | 16+3b=4b+8 | | x*x-6x+3=0 | | x(x*x-6x+3)-102=0 | | S-4/7 |

Equations solver categories