a^4-5a^2+6a. factorise
Answers
Answered by
7
Step-by-step explanation:
Answered by
0
Answer:
a
4
+a
2
+1=(a
2
+2a
2
+1)−a
2
=(a
2
+1)
2
−(a)
2
=(a
2
+a+1)(a
2
−a+1)
Step-by-step explanation: mark me as brainliest
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