Question

Simplify (x+3)(x-3) (x-4)(x+4)​

Answer 1

Step-by-step explanation:

(x+3)(x-3) (x+4)(x-4)

(x²-9) (x²-16)

x⁴-25x²+144.

ANS:-)

Answer 2

Answer:

(x+3)(x-3)(x-4)(x+4)

=(x²-3²)(x²-4²)

=(x²-9)(x²-16)

=x⁴-16x²-9x²+144

=x⁴-25x²+144