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What is the product of [tex](-2x - 9y^2)(-4x - 3)[/tex]?

A. [tex]-8x^2 - 6x - 36xy^2 - 27y^2[/tex]
B. [tex]-14x^2 - 36xy^2 + 27y^2[/tex]
C. [tex]8x^2 + 6x + 36xy^2 + 27y^2[/tex]
D. [tex]14x^2 + 36xy^2 + 27y^2[/tex]

Answer :

To find the product of the expression [tex]\((-2x - 9y^2)(-4x - 3)\)[/tex], we can use the distributive property. This involves multiplying each term in the first expression by each term in the second expression. Let's go through this step-by-step:

1. Multiply the first term from the first expression by each term in the second expression:

- Multiply [tex]\(-2x\)[/tex] by [tex]\(-4x\)[/tex]:
[tex]\[
(-2x) \times (-4x) = 8x^2
\][/tex]

- Multiply [tex]\(-2x\)[/tex] by [tex]\(-3\)[/tex]:
[tex]\[
(-2x) \times (-3) = 6x
\][/tex]

2. Multiply the second term from the first expression by each term in the second expression:

- Multiply [tex]\(-9y^2\)[/tex] by [tex]\(-4x\)[/tex]:
[tex]\[
(-9y^2) \times (-4x) = 36xy^2
\][/tex]

- Multiply [tex]\(-9y^2\)[/tex] by [tex]\(-3\)[/tex]:
[tex]\[
(-9y^2) \times (-3) = 27y^2
\][/tex]

3. Combine all the products:

After calculating each term, we combine them to get the final product of the expressions:
[tex]\[
8x^2 + 6x + 36xy^2 + 27y^2
\][/tex]

This is the expanded form of the product [tex]\(\left(-2x - 9y^2\right)(-4x - 3)\)[/tex]. Thus, the final answer is:
[tex]\[ 8x^2 + 6x + 36xy^2 + 27y^2 \][/tex]

This matches option: [tex]\(8x^2 + 6x + 36xy^2 + 27y^2\)[/tex].

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