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Helen [10]
3 years ago
15

Which expression shows the correct multiplication of the following polynomilas? 3x(6x^2-3x+7)

Mathematics
1 answer:
snow_tiger [21]3 years ago
8 0

Answer: 18x^3-9x^2+21x

Solution:

3x(6x^2-3x+7)=

Applying the distributive property in the multiplication to eliminate the parentheses:

(3x)(6x^2)+(3x)(-3x)+(3x)(7)=

(3*6)x^(1+2)+3*(-3)x^(1+1)+(3*7)x=

18x^3-9x^2+21x

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3 years ago
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Anvisha [2.4K]

Answer:

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4 years ago
Find the selling price<br> original price: $16.95<br> discount: 54%<br> tax: 4%
Marta_Voda [28]

Answer:

$8.11

Step-by-step explanation:

Original Price: $16.95

Discount: 54% Decimal Form: .54

Tax: 4% Decimal Form: .04

Let's start with the discount...

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Now, for the tax..

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