Mathematics, 23.01.2020 07:31 haileymaree

Which expressions are equivalent to 3x+3(x+y)

a. 6x+3y

b. 3(x+x+y)

c. 3xy

Answers: 1

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Answer from: Quest

x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i

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You know the right answer?

Which expressions are equivalent to 3x+3(x+y)

a. 6x+3y

b. 3(x+x+y)