Question

Simplify (3a4 – 2a2 + 5a – 10) – (2a4 + 4a2 + 5a – 2). A. a4 + 4a2 + 10a – 12 B. 5a4 + 4a3 + 3a2 + 10a – 12 C. a4 – 6a2 – 8 D. a4 + 2a2 + 10a – 12

Answer 1

a^4-6a^2-8 is the write answer
option c
just open the brackets and then add and subtract
according to PEMDAS rule or DMAS