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If f(x)=3x^2-2x+4and g(x)=5x^2+6x-8, find (f-g)(x)
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If f(x)=3x^2-2x+4and g(x)=5x^2+6x-8, find (f-g)(x)

User Combinu
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-2x^2-8x+12

Explanation: so you would add both equations as 3x^2-2x+4-[5x^2+6x-8] then we distribute the subtraction sign to g(x)—->-5x^2-6x+8. Now, we add f(x)+g(x) and group like terms to simplify—> as 3x^2-5x^2-2x-6x+4+8=-2x^2+8x+12
User Beeholder
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