(9x-7)(5x+7)=0

Simple and best practice solution for (9x-7)(5x+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 (9x-7)(5x+7)=0 equation:


Simplifying
(9x + -7)(5x + 7) = 0

Reorder the terms:
(-7 + 9x)(5x + 7) = 0

Reorder the terms:
(-7 + 9x)(7 + 5x) = 0

Multiply (-7 + 9x) * (7 + 5x)
(-7(7 + 5x) + 9x * (7 + 5x)) = 0
((7 * -7 + 5x * -7) + 9x * (7 + 5x)) = 0
((-49 + -35x) + 9x * (7 + 5x)) = 0
(-49 + -35x + (7 * 9x + 5x * 9x)) = 0
(-49 + -35x + (63x + 45x2)) = 0

Combine like terms: -35x + 63x = 28x
(-49 + 28x + 45x2) = 0

Solving
-49 + 28x + 45x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -5x)(7 + -9x) = 0

Subproblem 1

Set the factor '(-7 + -5x)' equal to zero and attempt to solve: Simplifying -7 + -5x = 0 Solving -7 + -5x = 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 + -5x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5x = 0 + 7 -5x = 0 + 7 Combine like terms: 0 + 7 = 7 -5x = 7 Divide each side by '-5'. x = -1.4 Simplifying x = -1.4

Subproblem 2

Set the factor '(7 + -9x)' equal to zero and attempt to solve: Simplifying 7 + -9x = 0 Solving 7 + -9x = 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 + -9x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9x = 0 + -7 -9x = 0 + -7 Combine like terms: 0 + -7 = -7 -9x = -7 Divide each side by '-9'. x = 0.7777777778 Simplifying x = 0.7777777778

Solution

x = {-1.4, 0.7777777778}

See similar equations:

| -4(3v+7)=20+4v | | 4-7(1-8v)=34 | | 3s-6=4s | | 36/y=1.2/2 | | 3.14=24miles | | 3.14=10m | | 120x+2000=10000 | | r+(2r)+(2r+5)=55 | | b-37=4(3-2b)+2b | | x^6+y^6-x^2y^4+x^4y^2=0 | | 3.14=2yd | | L=1638/7(9) | | y/9=13 | | 9x^2+48x=36 | | 4/3x-1=7 | | 3.14=6ft | | a*2+3a+-9=0 | | 8a-3b+3c+5a-b+3c= | | 3.14=8cm | | 3x-2/6=12 | | 10x^2=16 | | -3z-(-z-2)= | | 3.14=rin | | r=3in | | 3x=7x-2.2 | | -8(3x-4)-6=-30+4x | | 2x^2-18*x+30=2x-20 | | R^4-3r^2+2=0 | | (x+2)2=x^2+6 | | S=7c^2d | | 5d-3e+2d+e= | | -7(r-4)+8=-34+7r |

Equations solver categories