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Explain why x squared -8x+20 is always positive
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Explain why x squared -8x+20 is always positive

User Dader
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Answer:

to square a number you multiply the number by itself.

a positive number times a positive number is a positive number.

a negative number times a negative number is a negative number.

and if you are multiplying 2 numbers with the same sign they will always be a positive number.

User Daniel Spiewak
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