Which expression is equivalent to the following? 21x - 15

1 answer:

7 0

Answer:

3(7x-5)

Step-by-step explanation:

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Helen [10]

First, X^2 while x is 4 =4^2, which is 4x4, which is 16
3X while x is 4 is 12. 16-12=4. So the answer is 4

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3 years ago

Vikentia [17]

1207 divided by 7 is equal to 172.4286

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3 years ago

Alona [7]

$( x + 7)((x - 4) = x2 + 3x - 28$

$= xx_{4} - 3x = 7 x_{4} + x_{2} - 28$

$x = \frac{ - 7x_{4} + x_{2} - 28 }{ x_{4} - 3 }$

$= - 7 \frac{ x_{2} - 49}{ x_{4} - 3 }$

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2 years ago

kondor19780726 [428]

I think it’s C. 4^16,

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3 years ago

Artemon [7]

Answer:

no se yo hablo español si me entiendes sigueme y te sigo

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3 years ago