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

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


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

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

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

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

Combine like terms: -45x + 49x = 4x
(-63 + 4x + 35x2) = 0

Solving
-63 + 4x + 35x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -5x)(9 + -7x) = 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 '(9 + -7x)' equal to zero and attempt to solve:

Simplifying
9 + -7x = 0

Solving
9 + -7x = 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 + -7x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -7x = 0 + -9
-7x = 0 + -9

Combine like terms: 0 + -9 = -9
-7x = -9

Divide each side by '-7'.
x = 1.285714286

Simplifying
x = 1.285714286
Solution
x = {-1.4, 1.285714286}

See similar equations:

| 6x-35=-3x+28 | | -5(t-8)-(t+3)=4 | | 23-7p=-3(6p-6)+6p | | 84=7x-133 | | x-21=49-6x | | 1-x^2+9y^2=0 | | -5(t-6)-(t-9)=6 | | -6x-26=-x+49 | | x/22=20/5 | | 148=6x-32 | | 9d-3(2d-4d)= | | ln(x)=35 | | 3(w-2)=25-2(w+3) | | g+g+g= | | -82+6x=-4x+38 | | f+3pie=12pie | | 8x-5y-x+9-y= | | -2x-6=-3x+6 | | 16(v+4)-4v=3(4v+2)-14 | | (14x+7)+20x+15=90 | | 3x^3+2x=-3 | | 8+4(x-1)=11-2(x-4) | | 4(p^2+1)=20 | | x^2+y^2+16y+61=0 | | 4x-7+y-7x-(-3y)= | | x-2x-3x=1 | | 25u^2-49= | | -6x-6=12-4x | | 4(2y-1)=8(0.5-y) | | -7=12x+-4 | | 184849v+36b(60x)=24l | | -3x-9=-6x+15 |

Equations solver categories