Question 424645
Find the product. (4m+2n)^2
= (4m+2n)*(4m+2n)
= 4m*(4m+2n) + 2n(4m+2n)
= {{{16m^2 + 8mn + 8mn + 4n^2}}}
= {{{16m^2 + 16mn + 4n^2}}}
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{{{(a+b)^2 = a^2 + 2ab + b^2}}}
a = 4m, b = 2n