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Licemer1 [7]
3 years ago
13

Explain how use mental math in 17+38

Mathematics
1 answer:
asambeis [7]3 years ago
7 0
You would first look at the tens place numbers; 10 and 30. and add them together making 40. after that you'd take the ones places and add them together; 7 and 8. add those together and you'd get 15. to finish you just need to add the two numbers together 40 and 15.
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Answer:

\boxed{\sf \ \ \ \dfrac{18}{(x-7)(x+12)(x+30)} \ \ \ }

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hello,

first of all we will study the quadratic expressions

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