Question

Simplify
please solve it with Attachment ​

Answer 1

Step-by-step explanation:

→(x²-1)(x+1)(x+2)(x-4)

→(x²-1)(x²+2x+x+2)(x-4)

→(x²-1)(x²+3x+2)(x-4)

→(x³-4x²-x+4)(x-4)

→x⁴-4x³-4x²+16x²-x²+4x+4x-16

→x⁴-4x³+11x²+8x-16

Here is it in expanded form...

Hope so it will help you dear ☺️