14(2√2+6√5−4√10)
114(2−3√2−4√5−6√10)
114(3√2+4√5−6√10−2)
14(2+3√2−6√5+4√10)
Correct answer is C
1−2√52+3√2=(1−2√52+3√2)(2−3√22−3√2)
= 2−3√2−4√5+6√104−6√2+6√2−18
= 2−3√2−4√5+6√10−14
= 114(3√2+4√5−2−6√10) (dividing through with the minus sign)
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