Question

Evaluate

(i) (x + 2) (x + 2) (x² + 4)​

Answer 1

$(x + 2)(x - 2)( {x}^{2} + 4) \\ = ( {x}^{2} - 4)( {x}^{2} + 4) \\ = ( {x}^{4} - 16)$

Answer 2

Step-by-step explanation:

(x+2) (x+2) (x²+4)

= (x-4) (x²+4)

= (x⁴-16)