Question

5)Factorise x4+x² +1.​

Answer 1

Step-by-step explanation:

your question is wrong

Answer 2

Answer:

x⁴+x² +1= (x²+x+1)(x²-x+1)

Step-by-step explanation:

Use of formulas:

• (a+b)²=a²+2ab+b²

• a²-b²=(a+b)(a-b)

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• x⁴+x² +1=
• x⁴+2x²+1-x²=
• (x²+1)²-x²=
• (x²+1+x)(x²+1-x)=
• (x²+x+1)(x²-x+1)