Question: (a) Explain why -x 2 will always be a negative number for any nonzero real number selected for x. (b) Explain why (-x 2 )

(a) Explain why -x2 will always be a negative number for any nonzero real number selected for x.

(b) Explain why (-x2) will always be a positive number for any nonzero real number selected for x.

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