KvngSavage1 KvngSavage1 10-12-2017 Mathematics contestada 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 help