2x(2x)-x-3=0

Simple and best practice solution for 2x(2x)-x-3=0 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 2x(2x)-x-3=0 equation:


Simplifying
2x(2x) + -1x + -3 = 0

Remove parenthesis around (2x)
2x * 2x + -1x + -3 = 0

Reorder the terms for easier multiplication:
2 * 2x * x + -1x + -3 = 0

Multiply 2 * 2
4x * x + -1x + -3 = 0

Multiply x * x
4x2 + -1x + -3 = 0

Reorder the terms:
-3 + -1x + 4x2 = 0

Solving
-3 + -1x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -4x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

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 = {-0.75, 1}

See similar equations:

| 25.00x=49.95 | | 2x+55=-22 | | -43=-1x-13 | | 60.00x=42.95 | | 12k^2-k+7=0 | | 7x-(4x+10)=5 | | k^4-81= | | 3a^2+10a-2=0 | | 3c+2(3d+4)= | | .65=log(x) | | 4-d=-d(d-4) | | 200+16x=500-16x | | 2(3m+2)=6m-3 | | 16w=-72 | | 30m^2-31m-6= | | 5u-24=3u | | 6x^2-2=-x | | -3(3x-7)=4 | | 64x+30x=400+30x | | 5xy+25y= | | f(w)=2w^2-w | | 4x+20=5+5x | | 4x(x-5)-3(x+6)= | | 2(n-31)=3n | | 9x-12=8x+14 | | 2(4x+5)+2(3x-1)=8 | | 5u-24=3 | | (-4-7i)(-1-i)=0 | | x=200+.8(x) | | 3x+5+5x-25= | | 33=20+x | | 3U^2+14U+16= |

Equations solver categories