1) √250 - 3√8 + √2 = 5√2 - 6 + √2 = 6√2 - 6
2) (√10 - 8)(√10 + 8) = 10 - 64 = -54
3) (√7 - √3)^2 = 7 - 2√21 + 3 = 10 - 2√21
1) √250 - 3√8 + √2 = 5√2 - 6 + √2 = 6√2 - 6
2) (√10 - 8)(√10 + 8) = 10 - 64 = -54
3) (√7 - √3)^2 = 7 - 2√21 + 3 = 10 - 2√21