(2 + √2) ( √2-4)

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1 Answer

(2 + √2) ( √2-4)

I dont know how to solve this
 
=> 2(√2 - 2(4) + √2(√2) - 4(√2)
=> 2√2 - 8 + √4 - 4√2
 
combine terms
 
=> √4 + (2√2 - 4√2) - 8 
 
=> 2 - (2√2)  - 8
 
=> -2√2 - 6    <=  factor out  (-2)
 
=> -2(√2 + 3) ◄ Ans
 
by Level 3 User (2.7k points)

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