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4 years ago

Find the standard form polynomial that represents this product. (6 - y - 4y^2)(-5 + 7y^2)

Mathematics

1 answer:

Tema [17]4 years ago

5 0

Answer:

-28y^4 - 7y^3 + 62y^2 + 5y - 30

Step-by-step explanation:

Opening the parenthesis and simplifying by combining like terms:

(6 - y - 4y^2)(-5 + 7y^2) =
6(-5) +6(7y^2) - y(-5) -y(7y^2) -4y^2(-5) -4y^2(7y^2) =
-30 + 42y^2 + 5y - 7y^3 +20y^2 -28y^4 =
-28y^4 - 7y^3 + 62y^2 + 5y - 30

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Bonnie is four years older than Clyde.

Doss [256]

Answer:

Bonnie's age is 18

Step-by-step explanation:

Let

x ----> Bonnie's age

y ---> Clyde's age

we know that

$x=y+4$ ----> equation A

$x-10=2(y-10)$

$x-10=2y-20$

$x=2y-20+10$

$x=2y-10$ ----> equation B

substitute equation A in equation B

$y+4=2y-10$

Solve for y

$2y-y=4+10$

$y=14$

Find the value of x

$x=14+4=18$

therefore

Bonnie's age is 18

Clyde's age is 14

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3 years ago

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3 years ago

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3 years ago

Find the standard form polynomial that represents this product. (6 - y - 4y^2)(-5 + 7y^2)​

Find the standard form polynomial that represents this product. (6 - y - 4y^2)(-5 + 7y^2)