Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(10x + 7)(10x - 7)

A. 100x2 + 140x - 49
B. x2 - 49
C. 100x2 - 140x - 49
D. 100x2 - 49


Answer: D

Mathematics

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A.  
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C.
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Write the expression in exponential form. Assume that all variables represent positive real numbers. 

A. x5/2 B. x2/5 C. x-2/5 D. x3

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Solve.Suppose that you have c credits. Your roommate has 8 less credits than you. How many credits does your roommate have?

A. 8 - c
B. - 8
C.
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Fill in the blank with one of the words or phrases listed below.The process of writing a rational expression in lowest terms is called .

A. rational expression B. reciprocals C. least common denominator D. simplifying

Mathematics