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24a²-30 at 9 Solve please
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2 votes
24a²-30 at 9
Solve please

User Shuckc
by
4.3k points

1 Answer

6 votes

Answer:

1914

Explanation:

Substitute "a" for 9 in the equation. Solve using the BEDMAS order (brackets, exponents, division, multiplication, addition, subtraction).

24a² - 30

= 24(9)²-30 The exponent only belongs to the 9. Square 9.

= 24(81) - 30 Multiply 24 and 81.

= 1944 - 30 Subtract 30 from 1944.

= 1914 Answer

24a²-30 at 9 is 1914.

User Yifan
by
4.4k points
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