4 - Factorise :- a) 12a3-5a²7a
c) 81-(x-7)?
Answers
Answered by
0
Answer:
a) a(36-35a^2)
b) 88-x
Step-by-step explanation:
a)
12*3*a-5a^2*7a
=36a-35a^3
take a common
and your answer will be
a(36-35a^2)
b)
81-(x-7)
=81-x+7
=88-x
HOPE IT HELPS
Answered by
0
ANSWER
(a) 12a3 - 5a²7a
36a - 35a³
a × ( 36 - 35a²)
(b) 81 - (x-7)
81 - x +7
88 - x
I hope help you
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