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## Answers

## BettieZumbrunnen

## Best answer

"Solution" means a number that you could put in place of 'w' and the

equation would be a true statement.

Since 'w' appears to the second power in the equation, you expect 2 solutions.

You almost always have to start out by factoring the left side:

w² - 9w + 14 = 0

I hope you know how to factor a quadratic expression, because it's

too complicated to explain in a few sentences.

In factored form, this one is

(w - 7) times (w - 2) = 0

The important key point here is that this factored form is zero

if either factor is zero. That leads you to the two solutions.

First factor:

w - 7 = 0

w = 7

Second factor:

w - 2 = 0

w = 2

There are your two solutions. If you put either 7 or 2 in place

of 'w' in the original equation, then the left side is equal to zero.

No other number will do that. The solutions are w=7 and w=2.

## Gracie216

[latex]w^2-9w+14=0 \\ \\w^2-7w-2w+14=0 \\ \\ w(w-7)-2(w-7)=0\\ \\(w-7)(w-2)=0 \\ \\w-7 =0 \ \ \ or \ \ \ w-2 = 0\\ \\ w=7 \ \ \ or \ \ \ w = 2[/latex]