Question

√4a + 9√a - √64a -√9a= ?

Answer 1

(√4a)+9(√a)-9(√a)-(√64a)

√4a - √64a

2a - 8a

6a

Answer 2

✅4 ×✅a +9✅a - ✅64 ×✅a - ✅9 ×✅a=

2+9-8-3+4✅a=

7-11+ 4✅a=

-4+ ✅16×a=

-4 +✅16×✅a=

-4 + 4 +✅a=

+✅a.