Question

(2a+5a)*3
$(2a + 5a) \times 3 \sqrt{a}$
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Answer 1

Answer:

21a³/² or 21∛a

Step-by-step explanation:

(2a + 5a) x 3√a

= 2a(3√a) +  5a(3√a)

= 6a(a¹/²) + 15a(a¹/²)

a(a¹/²)

= a ¹⁺¹/²

= a³/²

so,

6a³/² + 15a³/²

= 21a³/²