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

1 Answer
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)) :}