How do you simplify #(8k + 8) + ( k ^ { 2} + 9k + 7)#?

1 Answer
Jim G.
Jun 21, 2017

#k^2+17k+15#

Explanation:

#"the first step is to distribute the brackets"#

#rArrcolor(red)(8k)color(blue)(+8)color(magenta)(+k^2)color(red)(+9k)color(blue)(+7)#

#"now collect like terms"#

#rArrcolor(magenta)(+k^2)color(red)(+8k+9k)color(blue)(+8+7)#

#=k^2+17k+15larrcolor(red)" in standard form"#

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