Question

solve (1-2x) (1+2x) (1+4x2+16x4)​

Answer 1

Step-by-step explanation:

Using identity, (a-b)(a+b) = a²-b²

→ (1-2x)(1+2x) × (1+4x(2+16))

→ 1-(2x)² × (1+72x)

→ (1-4x²)(1+72x)

→ 1+72x-4x²-288x³

→ -(-288x³-4x²+72x+1)

→ 288x³+4x²-72x-1