How do you multiply (6x+5)(x^2+2x+5)?

1 Answer
Alan P.
Oct 20, 2015

6x^3+17x^2+40x+25

Explanation:

{: ( X," | ",+x^2,+2x,+5), ("---","-+-","-----","-----","-----"), (+6x," | ",color(cyan)(+6x^3),color(red)(+12x^2),color(blue)(+30x)), (+5," | ",color(red)(+5x^2),color(blue)(+10x),color(green)(+25)), ("---"," ","-----","-----","-----"), (,color(cyan)(6x^3),color(red)(+17x^2),color(blue)(+40x),color(green)(+25)):}

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