How do you simplify #(x - 5)(x + 10)#?

1 Answer
Alan P.
Dec 21, 2016

#(x-5)(x+10)=color(green)(x^2+5x-50)#

Explanation:

#{: (xx," | ",x,-5), ("-----",,"------","-----"), (x," | ",color(green)(x^2),color(magenta)(-5x)), (+10," | ",color(magenta)(+10x),color(brown)(-50)), ("-----","-----","-----","-----"), (,color(green)(x^2),color(magenta)(+5x),color(brown)(-50)) :}#

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