Question

simplify by combining similar terms :-2³√54+3³√16+5³√128

Answer 1

${2}^{3} \sqrt{54} + {3}^{3} \sqrt{16} + {5}^{3} \sqrt{128} = 8 \sqrt{6 \times 3 \times 3} + 27 \times 4 + 125 \sqrt{2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2} \\ = 24 \sqrt{6} +108 + 1000 \sqrt{2} \\ = ans$