Question

(x²)² + 4 it's urgent please tell the solution and answer it is from ch 2 class 9 polynomials important unnecessary answers will be reported answer is (x2 + x + 1)(x2 -x + 1)

Answer 1

Answer:

Answer is (x² + 2 + 2x) (x² + 2 - 2x)

Step-by-step explanation:

(x²)² + 4

= (x²)² + 4 + 2(x²)(2) - 2(x²)(2)

= ( x² + 2 )² - 2(x²)(2)

= (x² +2)² - 4x²

= (x²+2)² - (2x)²

Using a²-b² = (a+b)(a-b)

= (x² + 2 + 2x) (x² + 2 - 2x)

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