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If f(x)= 2x2-4x and g(x)=5-2x evalute f(x)-g(x) for x=5
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If f(x)= 2x2-4x and g(x)=5-2x evalute f(x)-g(x) for x=5

User Ace Shinigami
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f(x)= 2x²-4x
g(x)= 5-2x

 f(x)-g(x) = 2x²-4x - ( 5-2x) = 2x² - 4x-5+2x= 2x² -2x-5
f(x)-g(x) = 2x² -2x-5
f(5)-g(5) = 2*5² -2*5-5=50-10-5 =35
f(5)-g(5) = 35
User Zopieux
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