Provide an appropriate response.Use the FOIL method to show that (7x + 14)(x - 5) is 7x2 - 21x - 70. If you were asked to completely factor 7x2 - 21x - 70, why would it be incorrect to give (7x + 14)(x - 5) as your answer?

What will be an ideal response?


The factor of 7 should be factored out.

Mathematics

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Use the product rule to multiply. Assume all variables represent positive real numbers. ? 

A.
B. 162x4
C. 9x2
D.

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Solve.Find the weight of a 15.3-kg backpack.

A. 1.56122449 N B. 25.1 N C. 492.66 N D. 149.94 N

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Solve.Find the difference of 41 and 3.

A. 37 B. 39 C. 48 D. 38

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Provide an appropriate response.A local radio antenna is 1392 feet tall. Write this whole number in expanded form.

A. 1000 + 300 + 92 B. 10,000 + 3000 + 900 + 2 C. 10,000 + 300 + 90 + 2 D. 1000 + 300 + 90 + 2

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