(8x+9)(4x-7)=0

Simple and best practice solution for (8x+9)(4x-7)=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 (8x+9)(4x-7)=0 equation: 


Simplifying
(8x + 9)(4x + -7) = 0

Reorder the terms:
(9 + 8x)(4x + -7) = 0

Reorder the terms:
(9 + 8x)(-7 + 4x) = 0

Multiply (9 + 8x) * (-7 + 4x)
(9(-7 + 4x) + 8x * (-7 + 4x)) = 0
((-7 * 9 + 4x * 9) + 8x * (-7 + 4x)) = 0
((-63 + 36x) + 8x * (-7 + 4x)) = 0
(-63 + 36x + (-7 * 8x + 4x * 8x)) = 0
(-63 + 36x + (-56x + 32x2)) = 0

Combine like terms: 36x + -56x = -20x
(-63 + -20x + 32x2) = 0

Solving
-63 + -20x + 32x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -8x)(7 + -4x) = 0


Subproblem 1
Set the factor '(-9 + -8x)' equal to zero and attempt to solve:

Simplifying
-9 + -8x = 0

Solving
-9 + -8x = 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 + -8x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -8x = 0 + 9
-8x = 0 + 9

Combine like terms: 0 + 9 = 9
-8x = 9

Divide each side by '-8'.
x = -1.125

Simplifying
x = -1.125

Subproblem 2
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
Solution
x = {-1.125, 1.75}

See similar equations:

| x+5.2=-18.73 | | (36)(y)=14.76 | | 4.58+v=2.5 | | 8965=4 | | 11x=166 | | 3x+4=11x-6 | | 5523=0 | | 0=1111 | | 0+0=7777 | | 3y+2x=z | | 4x+9=-2x-6 | | r^2=54-3r | | -[3x+(9x+7)]=6-(3x+9) | | 10d+2dg-6d+5d-2dg= | | 2s-s+7s= | | 2x*2x+1*1-3x=5 | | 10qr-3qr+6qr-3qr= | | 14x^3+10x^2+6x= | | 2j-j+9j= | | (6Y+4)(-4Y^2-9Y+4)= | | 4+2b= | | x+5=21 | | 9n-6n+2n= | | 5-(2w-2)=3(3w-8) | | 4x^2=8+4x | | 48s+41stu-33Stu= | | 3Z-9=4Z-6 | | X^2=x+12 | | 9+3p-2p+5= | | 6X^2-18XY-7X+21Y= | | 7np-7np+4np+10np= | | 9m+9MN= |

Equations solver categories