Question

(x-3) (x+3) (x^2+3x+9) (x^2-3x+9)​

Answer 1

Answer:

(x²-9) {x^4-9x²-81-54x}

Step by step explantion:

WE KNOW, (a+b)(a-b)=a²-b².

Solving:

(x-3)(x+3) (x²+3x+9)(x²-3x+9)

= {x²-(3)²} {(x²)²-(3x+9)²}

= [x²-9] {x^4-[ (3x)²+(9)²+2*3x*9] }

= (x²-9) {x^4-(9x²+81+54x)}

=(x²-9) {x^4-9x²-81-54x}.