Answer:
u³ + 2u²x + x²u + xu² ´+ 2ux² + x³
Explanation:
(4-2)² = 2² = 4
(u+x)³ = (u+x) * (u+x)²
= (u+x) * {(u+x)(u+x)} = (u+x)*{u*u + u*x + x*u + x*x}
= (u+x)+{u²+2ux+x²} = u*u² + u*2ux + u*x² + x*u² + x*2ux + x*x²
= u³ + 2u²x + x²u + xu² ´+ 2ux² + x³
<h3>Change this verb from the present tense to the preterite tense.</h3>
Question 11: Tú estudias.
Answer 11: Tú estudiaste.
You studied.
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Question 12: Raúl estudia.
Answer 12: Raúl estudió.
Raul estudied.
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Question 13: Nosotros pagamos.
Answer 13: Nosotros pagamos.
We paid.
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<h3>Fill the blank with the preterite tense of the verb in parentheses.</h3>
Question 14: Usted ______________ a la tienda por teléfono. (llamar)
Answer 14: Usted llamó a la tienda por teléfono.
You called the store by phone.
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Question 15: Lolita ____________con Pablo en la fiesta anoche. (hablar)
Answer 15: Lolita habló con Pablo en la fiesta anoche.
Lolita spoke with Pablo at the party last night.
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The answer is El murcielago