Question 400463
3√-12  +  4√-48
= 3√-1 √4 √3  +  4√-1 √16 √3 {broke down square roots}
= 3i(2)√3 + 4i(4)√3 {evaluated square roots, √-1 is i}
= 6i√3 + 16i√3 {multiplied}
= 20i√3
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