(4-2x)(9x+4)=0

Simple and best practice solution for (4-2x)(9x+4)=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 (4-2x)(9x+4)=0 equation:


Simplifying
(4 + -2x)(9x + 4) = 0

Reorder the terms:
(4 + -2x)(4 + 9x) = 0

Multiply (4 + -2x) * (4 + 9x)
(4(4 + 9x) + -2x * (4 + 9x)) = 0
((4 * 4 + 9x * 4) + -2x * (4 + 9x)) = 0
((16 + 36x) + -2x * (4 + 9x)) = 0
(16 + 36x + (4 * -2x + 9x * -2x)) = 0
(16 + 36x + (-8x + -18x2)) = 0

Combine like terms: 36x + -8x = 28x
(16 + 28x + -18x2) = 0

Solving
16 + 28x + -18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(8 + 14x + -9x2) = 0

Factor a trinomial.
2((2 + -1x)(4 + 9x)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(4 + 9x)' equal to zero and attempt to solve: Simplifying 4 + 9x = 0 Solving 4 + 9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 9x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 9x = 0 + -4 9x = 0 + -4 Combine like terms: 0 + -4 = -4 9x = -4 Divide each side by '9'. x = -0.4444444444 Simplifying x = -0.4444444444

Solution

x = {2, -0.4444444444}

See similar equations:

| 7r-2c=-8 | | 3p-6=p+7 | | 96n+2+(80n)=3 | | 15=6a | | 6k+9-4y=-3 | | 13x-16x+19=100 | | -2y+6=x | | y=4x^2+6x-9 | | x+10+x+50= | | 7y+92=-y-12 | | 6(k-1)-(5x-9)=-6 | | 2=3t+-13 | | y=115+10 | | 4x^2-48+k= | | 6x^2-12x-21=0 | | 9x+51=12x | | x+3+x-8+x=5 | | 3x^3+3=0 | | X-3(X-4)=4 | | x+(x-2)+(3+x)=20 | | -7-28m=26m-39m | | 6a+8=36 | | -35-7x=-2x | | C=37.85+.25x | | 8-2b=11 | | -4k-2+6k=-10+3k+6 | | x+(x-2)+(3+2x)=20 | | 18x^2+10a=-11x+4 | | 11+5r=3(r+1) | | k^2+7=-8k | | 2z^2-21z-36= | | -9z+5+7z=-3z+10 |

Equations solver categories