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 Problem: (x^3-12*x^2-42)*(x^2+x-3) [ Calculator, Method and examples ]Solution:Your problem -> (x^3-12*x^2-42)*(x^2+x-3)(x^3-12x^2-42) * (x^2+x-3)=x^3*(x^2+x-3)-12x^2*(x^2+x-3)-42*(x^2+x-3)=x^5+x^4-3x^3-12x^4-12x^3+36x^2-42x^2-42x+126=color{#FF6347}{ x^5}color{fuchsia}{ + x^4}color{maroon}{ - 3x^3}color{fuchsia}{ - 12x^4}color{maroon}{ - 12x^3}color{blue}{ + 36x^2}color{blue}{ - 42x^2}color{green}{ - 42x}color{red}{ + 126}=color{#FF6347}{ x^5}color{fuchsia}{ + x^4}color{fuchsia}{ - 12x^4}color{maroon}{ - 3x^3}color{maroon}{ - 12x^3}color{blue}{ + 36x^2}color{blue}{ - 42x^2}color{green}{ - 42x}color{red}{ + 126}=color{#FF6347}{ x^5}color{fuchsia}{ - 11x^4}color{maroon}{ - 15x^3}color{blue}{ - 6x^2}color{green}{ - 42x}color{red}{ + 126}=(x^3-12*x^2-42)*(x^2+x-3)=(x^3-12x^2-42)(x^2+x-3)=x^5-11x^4-15x^3-6x^2-42x+126

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