Question

1)factorise: x²-3y+xy-3x



2) standard form of 185×10^-5




answer fast
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Answer 1

Answer:

a feeling of sadness, repentance, or disappointment over an occurrence or something that one has done or failed to do.

Step-by-step explanation:

Factorise

6(2a - b) - 15(2a - b)^2

(x + y) - (x + y)^2 + (x + y)^3

ab(x^2+y^2)-xy(a^2+b^3)