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C1 Surds

How would I go about doing 6√2 x 5√3 - √24? Please explain the steps you're supposed to take, not just the answer.
Original post by JackB784
How would I go about doing 6√2 x 5√3 - √24? Please explain the steps you're supposed to take, not just the answer.


You would multiply the 2 that need multiplying

Then you should simplify the 24\sqrt{24} so that you can subtract
Original post by JackB784
How would I go about doing 6√2 x 5√3 - √24? Please explain the steps you're supposed to take, not just the answer.


ab×cd=acbd a \sqrt b \times c \sqrt d =ac \sqrt bd

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