11. factorise(a + b)3 - a - b
Answers
Answered by
0
Answer:
the equation is simplyfy 3a+3b-a-b
2a+2b=0
a=2b/2
a=b
Answered by
0
Step-by-step explanation:
3(a+b)–a–b
3(a+b)–1(a+b)
(a+b)3–1
(3a+3b–1)
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