Chemistry Examples

$(x - 7) (x - 2) = 0$

Step 1

If any individual factor on the left side of the equation is equal to $0$ , the entire expression will be equal to $0$ .

$x - 7 = 0$

$x - 2 = 0$

Step 2

Set $x - 7$ equal to $0$ and solve for $x$ .

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Step 2.1

Set $x - 7$ equal to $0$ .

$x - 7 = 0$

Step 2.2

Add $7$ to both sides of the equation.

$x = 7$

Step 3

Set $x - 2$ equal to $0$ and solve for $x$ .

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Step 3.1

Set $x - 2$ equal to $0$ .

$x - 2 = 0$

Step 3.2

Add $2$ to both sides of the equation.

$x = 2$

Step 4

The final solution is all the values that make $(x - 7) (x - 2) = 0$ true.

$x = 7, 2$