How do you simplify (49x-2)+(4x^2+x+7)?

1 Answer
Alan P.
Jun 27, 2015

(49x-2)+(4x^2+x+7) = 4x^2+50x+5

Explanation:

Regroup (color(red)(49x) color(blue)(-2)) + (color(orange)(4x^2)color(red)(+x)color(blue)(+7))
as
color(white)("XXXX")(color(orange)(4x^2))+(color(red)(49x+x))+(color(blue)(-2+7))

color(white)("XXXX")=color(orange)(4x^2) + color(red)(50x) + color(blue)(5)

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