factorise:a^2+b^2-2ba+2bc-2ca
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2
Answer:
Answered by
0
Answer:
a
2
+b
2
−2ba+2bc−2ca
=(a
2
+b
2
−2ba)+2c(b−a)
=(b−a)
2
−2c(b−a)
=(b−a){(b−a)−2c}
=(b−a){b−a−2c}
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