Math
posted by Lesedi .
Please help Factorise fully 1. X^25x14 2. Ab^2+3b 3. A^38a^2+15a

Math 
Damon
14 = 7*2 always :)
(x7)(x+2)

b(Ab+3)

suspect you mean
a^38a^2+15a
which is
a (a^28a+15)
but we know 15 = 3 * 5 and 3+5=8 :)
so
a (a5)(a3)
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