Question

simplify this question -20 √2+10(1+2√2)​

Answer 1

Answer:

10

Step-by-step explanation:

-20 under root 2 +10(1+2 under root 2)

-20 under root 2 +10 +20 under root 2  (-20 under root 2 and +20 under root                                                                        

                                                                   2 will be cancelled)

so remaining is 10

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