4 years ago

Multiply 2x(x2 + 5). A) 2x3 + 10x2 B) 2x3 + 10x C) 2x2 + 10x D) 2x3 + 5x

1 answer:

6 0

The correct answer is B). 2x3 + 10x, this is because

2x(x2) gets you 2x3, because you just add an x instead of multiplying the x.

And 2x times 5 is 10x, because 2 x 5 is 10, and you just put the x on the ten to get 2x3 + 10x

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Natasha2012 [34]

Answer:

Step-by-step explanation:

First add the tens: 20 + 30 + 10= 60

Now add the Ones: 7 + 2 + 4= 13

now add them all together: 60+13=73

so the best estimate is 70

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