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

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


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

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

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

Multiply (9 + 4x) * (-5 + 5x)
(9(-5 + 5x) + 4x * (-5 + 5x)) = 0
((-5 * 9 + 5x * 9) + 4x * (-5 + 5x)) = 0
((-45 + 45x) + 4x * (-5 + 5x)) = 0
(-45 + 45x + (-5 * 4x + 5x * 4x)) = 0
(-45 + 45x + (-20x + 20x2)) = 0

Combine like terms: 45x + -20x = 25x
(-45 + 25x + 20x2) = 0

Solving
-45 + 25x + 20x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-9 + 5x + 4x2) = 0

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

Ignore the factor 5.

Subproblem 1
Set the factor '(-9 + -4x)' equal to zero and attempt to solve:

Simplifying
-9 + -4x = 0

Solving
-9 + -4x = 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 + -4x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 0 + 9
-4x = 0 + 9

Combine like terms: 0 + 9 = 9
-4x = 9

Divide each side by '-4'.
x = -2.25

Simplifying
x = -2.25

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 = {-2.25, 1}

See similar equations:

| -6(t+4)+8(-2t-7)=-23(t+3)-9 | | 8+6a+2b+8a+3= | | 29-4N= | | 5(v+10)=60 | | -3(4s-6)-18=-3(7s+1)-5 | | 7m+4n+3m+2n= | | 9x-88=6x-13 | | 30-5n= | | -6x^2-5x-11=0 | | 10c-cd=-13+f | | 10x-6=104 | | 0.90x+.05(2-x)=.10(18) | | 125+2(-4)= | | 226-7x=29x+22 | | 73-6x=3x+20 | | 6x+25=16x-85 | | -2x-18=-18 | | 3=5+b/8 | | 5y+7y+9= | | 25x+4x= | | -14=7(n-9) | | (8x-10)(x-1)=0 | | -10-3x=10-8x | | 18x-3=12x | | -x^2+14x+51= | | n/17=-93/17 | | 5(z-5)+5z-1= | | 80x=320000 | | -3+5y=2 | | 7+2n-2=7n+7-4n | | -83x=3403 | | 2x-25=x+10 |

Equations solver categories