Expand and simplify (√10-√2)² Give your answer in the formn b-c√5 where b and c are integers
1 answer:
Answer:
12-4√5
Step-by-step explanation:
(√10-√2)²
(√10-√2)(√10-√2)
Foil/distribute
10-√20-√20+2
12-2√20
12-2√4*√5
12-2*2√5
12-4√5
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2xy + 5x -12y -30
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" · " - product
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13 · (8 - (-10)) = 13 · (8 + 10) = 13 · 18 = 234
Answer:
i told you in the comment it equals 7
Step-by-step explanation:
