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Basile [38]
3 years ago
12

(2a2 + ab + 2b) + (4a2 − 3ab + 9)

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
6 0
2a² + ab + 2b + 4a² - 3ab + 9

combine like terms:
2a² + 4a² + ab - 3ab + 2b + 9

6a² - 2ab + 2b + 9
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Make up this problem yourself 3 divided by 1/2
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Answer:

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Divide: 3 : \frac{1}{2} =\frac{3}{1} *\frac{2}{1} =\frac{3 * 2}{1*1} =\frac{6}{1} =6

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of \frac{1}{2} is \frac{2}{1}) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators.

In words - three divided by one half = six.

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