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Mathematics 7 Online
xxviii:

Solve (6+3√2+6-3√2)²

xxviii:

Please explain as well. Thank you.

snowflake0531:

do you realize that 3sqrt2 and -3sqrt2 cancel out? you would result in (6+6)^2

xxviii:

Oh, wow. So 144?

snowflake0531:

yes

snowflake0531:

12^2

xxviii:

Thanks!

snowflake0531:

yw~

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