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2 years ago

Subtract 7a2-4ab+2b2from 3ab+7a2+2b2

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

4 0

Answer:

Step-by-step explanation:

3ab + 7a² + 2b² - (7a² - 4ab + 2b²) = 3ab + 7a² + 2b² - 7a² + 4ab - 2b²

Now combine like term. Like terms have same variable with same power.

= 3ab + 4ab + 7a² - 7a² + 2b² - 2b²

= 7ab

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3 years ago

Solve for [x]. The polygons in each 2x-20 16 16 8

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$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

$\qquad \tt \rightarrow \:x = 16$

____________________________________

$\large \tt Solution \: :$

If two polygons are similar, their corresponding sides ratios will be equal to each other.

$\qquad \tt \rightarrow \: \cfrac{8}{16} = \cfrac{2x - 20}{24}$

$\qquad \tt \rightarrow \: \cfrac{1}{2} = \cfrac{2x - 20}{24}$

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Answered by : ❝ AǫᴜᴀWɪᴢ ❞

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2 years ago

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