Mathematics, 30.06.2019 18:00, hello123485

Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 . a. 2√ 20 − 4√ 7 − 2√ 5 b. 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 c. 2√ 20 − 3√ 7 + 4√ 63 d. 2√ 5 + 9√ 7

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Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 . a. 2√ 20 − 4√ 7 − 2√ 5 b. 2√ 20 − 3√ 7 − 2√...