1.

Factorise each following expressions 1] 15x+25 2]3x^2-9x 3] 4xy+40x^2​

Answer» ONG>Step-by-step explanation:

1)15x+25

=5(3x+5)

2)3x²-9x

=3x(x-3)

3)4xy+40x²

=4x(y+10x)



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