Simplify
![\sqrt{45} + \sqrt{80} - \sqrt[3]{20?} \sqrt{45} + \sqrt{80} - \sqrt[3]{20?}](https://tex.z-dn.net/?f=+%5Csqrt%7B45%7D++%2B++%5Csqrt%7B80%7D++-++%5Csqrt%5B3%5D%7B20%3F%7D+)
Answers
Answered by
3
ANSWER: - 3√5
Step-by-step explanation:
√45 + √80 - ³√20
∴ √5×9 + √4 × 20 - ³√5 × 4
∴ 3√5 + 2√20 × - 2³√5
∴ 3√5 + 2√5×4 × - 2³√5
∴ 3√5 + 4×2√5 × - 2³√5
∴ 3√5 + 8√5 × - 2³√5
∴ 3√5 + 8√5 × - 8√5
∴ (3 + 8 - 8)√5
∴ 3√5
Similar questions
Math,
8 months ago
Science,
8 months ago
Biology,
8 months ago
Math,
1 year ago
Political Science,
1 year ago