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

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


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

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

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

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

Combine like terms: 5x + -49x = -44x
(-35 + -44x + 7x2) = 0

Solving
-35 + -44x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -7x)(7 + -1x) = 0


Subproblem 1
Set the factor '(-5 + -7x)' equal to zero and attempt to solve:

Simplifying
-5 + -7x = 0

Solving
-5 + -7x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -7x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -7x = 0 + 5
-7x = 0 + 5

Combine like terms: 0 + 5 = 5
-7x = 5

Divide each side by '-7'.
x = -0.7142857143

Simplifying
x = -0.7142857143

Subproblem 2
Set the factor '(7 + -1x)' equal to zero and attempt to solve:

Simplifying
7 + -1x = 0

Solving
7 + -1x = 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 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {-0.7142857143, 7}

See similar equations:

| 6(4x-3)-(3x-15)=9-(6x+15) | | 2x+18=122 | | -3(b+15)=-4.5 | | (7/4)y= | | (x^2+8x-3)-(7x+4)=x^2-14 | | 15.8-5.6g=-7.5g-10.23 | | (6x^2+5x+3)-(6x^2-5)=7x-5 | | 2x^2+13x=-7 | | 5x^3-320x=0 | | 54=-(5x+2)-3(7+2x) | | 0=-16.53+4.9t^2+13.79t | | 1/8=(0.3/x)^(-1.2) | | 2(x+8.2)=42 | | -0.5x+8.13=-0.3x+7.13 | | 6z+4=20 | | 1/8=(0.3/x)^-1.2 | | -10h+5.69=-10.7h-9.51-1.2h | | 5r+11=2r-9 | | 8b-5=2b-0.8 | | (G-2)/2=46 | | 400x-0.48=600x+0.68 | | 4p-5p=8 | | -20w=4w^2+25 | | (4g^2)(g^2)=16g^5 | | 5.6=10x+8.8 | | Y-8.1=9 | | y=30x^6-18x^5-9x^4 | | -0.57-19.9p=4.87+10.19-19p | | 10n-6+13=8 | | X+y=5x-y | | 7(x-1.4)=6.3 | | 5=y/8=-3 |

Equations solver categories