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Lapatulllka [165]
3 years ago
9

(4b+5c)^2-(4b-5c)^2​

Spanish
1 answer:
MrRissso [65]3 years ago
3 0
Using the formula a^2-b^2=(a-b)(a+b), factor the expression.

10c x 8b

Then calculate the product.

80bc

Answer: 80bc
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Answer:

The correct answer is:

1. Hubo (del verbo haber)

2. vio (del verbo ver)

3. manejaba (del verbo manejar)

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5. tuvieron (del verbo tener)

Explanation:

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alex41 [277]

Tú casa es grande.

\boxed{ \bold{Explanation}}

The difference between "tú" and "usted" depends on the formality. "Tú" is used <u>when talking to friends or relatives (informal)</u> while "usted" is used <u>when talking to older people or a person of high social rank (formal)</u>.

In this case we want to write the <u>informal</u> form of "tú", so we use "tú". Also, when dealing with <u>permanent states</u>, the verb "ser" (to be) is used.

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