jojodmacdonald jojodmacdonald

12-12-2019
Mathematics

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Express I'm the form p + q root of 7

(2+3root7)(5-2root7)

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reneeaaliyah reneeaaliyah

12-12-2019

Answer:

Step-by-step explanation:

(2+3root7)(5−2root7)

=(2+3root7)(5+−2o2rt7)

=(2)(5)+(2)(−2o2rt7)+(3root7)(5)+(3root7)(−2o2rt7)

=10−4o2rt7+15o2rt7−6o4r2t14

=−6o4r2t14+11o2rt7+10

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