Question

the value of (-3m+5n)^2 is
WITH PROCEDURE
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Answer 1

Answer:

9m^2+5n^2-30mn

Step-by-step explanation:

(-3m+5n)^2

this is the form of (a+b)^2=a^2+b^2+2ab

a=-3m,b=5n

(-3m)^2+2(-3m)(5n)+(5n)^2

9m^2-30mn+25n^2