How do you simplify #4x ^ { 2} + 17x - 4- x ^ { 2} + x + 12#?

1 Answer
EZ as pi
Mar 9, 2017

#3x^2 +18x+8#

Explanation:

Identify the like terms and regroup the expression.

#color(red)(4x^2) color(blue)(+17x)-4color(red)(-x^2)color(blue)(+x)+12#

#=color(red)(4x^2-x^2)color(blue)( +17x+x)-4+12#

Add the like terms, keeping the variables the same.

#=color(red)(3x^2)color(blue)( +18x)+8#

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