12. (m- 9)² + (9- m)
factorise it
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(m-9)² + (9-m)
m²-2(m)(9) + (9)² + (9-m)
m²-18m+81+9-m
m²-18m-m+90
m²-19m+90
m²-10m-9m+90
m(m-10)-9(m-10)
(m-9)(m-10)
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sumanbhavana1983:
u also please
Answered by
1
Answer:
(m-10) (m-9) is the answer.
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