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14-03-2021
Mathematics

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Multiply and then simplify completely: ( 8 + √ 10 ) ( 8 − √ 10 )

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14-03-2021

Answer:

54.

Step-by-step explanation:

( 8 + √ 10 ) ( 8 − √10)

= 8*8 - 8√10 + 8√10 +√10 * -√10

= 64 - 8√10 + 8√10 - 10

The 2 middle turns cancel out so we have:

64 - 10

= 54.

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