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3 years ago

5. Find the product - 2x² (3x² - 4x+7)

Mathematics

2 answers:

garri49 [273]3 years ago

8 0

Look at the attached picture

Hope it will help you...

Good luck on your assignment

~pragya

VladimirAG [237]3 years ago

8 0

Answer:

$= - 6 {x}^{4} + 8 {x}^{3} - 14 {x}^{2}$

Step-by-step explanation:

$- 2 {x}^{2} (3 {x}^{2} - 4x + 7) \\ = - 6 {x}^{4} + 8 {x}^{3} - 14 {x}^{2}$

hope this helps

brainliest appreciated

good luck! have a nice day!!

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Paul is three times as old as Mary and Peter is four times as old as Mary,If the sum of their ages is 64, how old are Peter,Paul

uysha [10]

Let Mary's age be x.

Paul is three times as old as Mary, so Paul's age would be 3x.

Peter is four times as old as Mary, so Peter's age would be 4x.

The sum of their ages is 64
⇒ Paul's age+ Peter's age+ Mary's age= 64
⇒ 3x+ 4x+ x= 64
⇒ 8x= 64
⇒ x= 64/8
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Paul's age is: 3x= 3*8= 24

Peter's age is: 4x= 4*8= 32

Final answer: Paul is 24 years old.
Peter is 32 years old.
Mary is 8 years old.

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