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olasank [31]
3 years ago
15

Multiply the polynomials. (4x- + 4x + 6)(7x + 5)

Mathematics
1 answer:
SashulF [63]3 years ago
3 0

\implies {\blue {\boxed {\boxed {\purple {\sf {   \: 28 {x}^{3}  + 48 {x}^{2}  + 62x + 30}}}}}}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

(4 {x}^{2}  +  4x + 6)(7x + 5)

= \: 7x(4 {x}^{2}  + 4x + 6) + 5(4 {x}^{2}  + 4x + 6)

=  \: 28 {x}^{3}  + 28 {x}^{2}  + 42x + 20 {x}^{2}  + 20x + 30

Combining like terms, we have

=  \: 28 {x}^{3}  + (28 {x}^{2}  + 20 {x}^{2} ) + (42x + 20x) + 30

=  \: 28 {x}^{3}  + 48 {x}^{2}  + 62x + 30

\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}

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Subtract.
LekaFEV [45]

Answer:

7x^(2)-3x+8

Step-by-step explanation:

(5x^(2) - 3x - 2) - (-2x^(2) - +10)

(5x^(2))- (-2x^(2))=7x^(2)

(- 2)-(+10)=+8

7x^(2)-3x+8

6 0
2 years ago
Joey had 59 dolphin stickers. He gave 5 stickers each to 8 friends. How many stickers does Joey have left?
marshall27 [118]

Answer:

19

Step-by-step explanation:

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59-40 is 19

4 0
3 years ago
Read 2 more answers
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stealth61 [152]

Answer:

-7

Step-by-step explanation:

7 0
2 years ago
5. In the given sequence 32, 28, 24, 20, What rule is applied?
Nitella [24]

Answer:

C

Step-by-step explanation:

A number is <em>n</em>, therefore you can start off with 32 and subtract 4 getting you 28. Subtract 4 and you get 24, and again 20.

4 0
2 years ago
Pls explain super confused <br> Thx
eimsori [14]
3+2•6/3
first you multiply the 2 and 6 on the top to get 12
so now it’s
3+12/3
now add the 12 and 3
15/3
now divide
so your answer is 5
7 0
3 years ago
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