(x+9)(5x-4)=

Simple and best practice solution for (x+9)(5x-4)= 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 (x+9)(5x-4)= equation:


Simplifying
(x + 9)(5x + -4) = 0

Reorder the terms:
(9 + x)(5x + -4) = 0

Reorder the terms:
(9 + x)(-4 + 5x) = 0

Multiply (9 + x) * (-4 + 5x)
(9(-4 + 5x) + x(-4 + 5x)) = 0
((-4 * 9 + 5x * 9) + x(-4 + 5x)) = 0
((-36 + 45x) + x(-4 + 5x)) = 0
(-36 + 45x + (-4 * x + 5x * x)) = 0
(-36 + 45x + (-4x + 5x2)) = 0

Combine like terms: 45x + -4x = 41x
(-36 + 41x + 5x2) = 0

Solving
-36 + 41x + 5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -1x)(4 + -5x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(4 + -5x)' equal to zero and attempt to solve: Simplifying 4 + -5x = 0 Solving 4 + -5x = 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 + -5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5x = 0 + -4 -5x = 0 + -4 Combine like terms: 0 + -4 = -4 -5x = -4 Divide each side by '-5'. x = 0.8 Simplifying x = 0.8

Solution

x = {-9, 0.8}

See similar equations:

| 8-2x-513x=6 | | 4lnx+7=12 | | (5x+y)+(x-y)= | | R=3n+3u | | 20.4+83= | | (X^2-1)/x-1 | | 5.6x-4=4.6x | | 1.7(12)= | | X^3-4x^2+3x+2=0 | | 3(4m-3)-28= | | 3x+9-(6x-(9(x-1)-3))=3x-9 | | 4(1+x)=5(1+x) | | 5(-2v^5)= | | 7(v+1)=6v-46 | | 2/5t-3=1 | | (2/3)(2/5)-(7/10)(5/6) | | √5/49 | | (3x^2)-13x+14=0 | | A^4b^6-a^3b^2+a^2b^7-a^2b^2= | | (5x-2)+(2x+5)= | | -0.6x+8.99=-0.2x+7.79 | | -2+4c= | | -2(s-3)-3(s+4)= | | 8.5+83= | | 3y-5+y+49=8y+50-6y | | 1.7(5)= | | -4(4p+2)-21=3(3p+7) | | 1.7x+83= | | (X+5)-2(4x+5)=0 | | -35+7y+6=2(5y-5)-7 | | 6(c-5)+8=6+c-28 | | 8-3z=15+4z |

Equations solver categories