x^2 - 25x
x(x-25) this is the furthest you can factor effectively.
x(x-25) this is the furthest you can factor effectively.
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It is very easy... just put x in evidence and get: x(x-25) OK!
To confirm the answer multiply... and get x^2 - 25 x OK!
To confirm the answer multiply... and get x^2 - 25 x OK!
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The one thing that both of the terms have in common is x. Pull out x from both terms, and you're leftt with:
x(x - 25).
It is now fully factored.
x(x - 25).
It is now fully factored.
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x*(x - 25) = 0
x1 = 0, x2 = 25
x1 = 0, x2 = 25