3. Simplify each expression. Show as much work as possible for each question for full credit.
Write all answers in standard form.
a) (-5+ x)(x + 4) (Show your work) (5 points)
b) is the product of -5 + x and x + 4 equal to the product of 5 + x and x - 4?
Explain your answer. (Show your work to prove your answer) (2 points)
c) (2x + 5)(3x2 + 4x – 3) (Show your work) (5 points)

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

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