Expand (2m+5)2 ?

2 Answers
Soumalya Pramanik
Jan 29, 2018

#4m + 10#

Explanation:

#(2m + 5)2#

#=2 * 2m + 2 * 5# [Using the distributive property]

#=4m + 10#

Jim G.
Jan 29, 2018

#4m^2+20m+25#

Explanation:

#"assuming you require the expansion of "(2m+5)^2#

#(2m+5)^2=(2m+5)(2m+5)#

#"each term in the second factor is multiplied by each"#
#"each term in the first factor"#

#rArr(color(red)(2m+5))(2m+5)#

#=color(red)(2m)(2m+5)color(red)(+5)(2m+5)#

#"distribute each bracket and collect like terms"#

#=4m^2+10m+10m+25#

#=4m^2+20m+25#

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