Question

how to sove (x^2+8) (x^2-4)? ^means raise to

Answer 1

Answer:

I think it's the answer

Step-by-step explanation:

use the identity IV

(x+a) (x+b)= x^2+( a+b )x + ab

(x^2)^2+(8+4)*x^2+(8*4)

x^4+12x^2+32

Answer 2

Answer:

Hi mate ,

( x² + 8 ) ( x² - 4 )

According to identity four

( x + a ) ( x - b ) =  x² + ( a - b )x -ab

Putting the values ,

= ( x² ) ² + ( 8 - 4 )x² - 8 × 4

= $x^{4}$ + 4x² -32

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