Mathematics, 28.07.2019 04:10, princesskoi8561

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

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Simplify the expression: 2√ 20 − 3√ 7 − 2√ 5 +...