Question

factorise x⁴-16 the answer is (x²+4) (x+2) (x-2) please solve it​

Answer 1

Answer:

x²+4 option a is correct option

Answer 2

Answer:

(a^2-b^2)= (a+b)(a-b)

x⁴-16 =(x²+4)(X²-4) ( apply the same formula to x²-4)

x⁴-16 = (x² + 4)(x + 2)(x - 2)

Explanation:

hope it helps

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