Cheyenneross366

15.04.2020 • 

Mathematics

When a child is born, her grandfather decides to put $100 in an account that earns

interest. He plans to make no other deposits or withdrawals for 18 years. When

the child turns 18 years old, the money in the account will be a birthday gift.

The

grandfather is choosing between two options:

Option 1: grows by 10.5% each year

Option 2: grows by $20 each year

Ответ:

nataliemakin7123

28.03.2021

Mathematics

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2x⁴ - 20x² - 78

To factor the expression look for the LCM of the numbers

LCM of the numbers is 2

Factorize that one out

That's

2( x⁴ - 10x² - 39)

Hope this helps

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