(x2+3)(x2-3)

Apply the distributive property.

x2(x2-3)+3(x2-3)

Apply the distributive property.

x2x2+x2⋅-3+3(x2-3)

Apply the distributive property.

x2x2+x2⋅-3+3×2+3⋅-3

x2x2+x2⋅-3+3×2+3⋅-3

Combine the opposite terms in x2x2+x2⋅-3+3×2+3⋅-3.

Reorder the factors in the terms x2⋅-3 and 3×2.

x2x2-3×2+3×2+3⋅-3

Add -3×2 and 3×2.

x2x2+0+3⋅-3

Add x2x2 and 0.

x2x2+3⋅-3

x2x2+3⋅-3

Simplify each term.

Multiply x2 by x2 by adding the exponents.

Use the power rule aman=am+n to combine exponents.

x2+2+3⋅-3

Add 2 and 2.

x4+3⋅-3

x4+3⋅-3

Multiply 3 by -3.

x4-9

x4-9

x4-9

Simplify (x^2+3)(x^2-3)