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Find the standard form of the quadratic equation: f(x)=(2x-1)(x+4)

Find the standard form of the quadratic equation: f(x)=(2x-1)(x+4)-example-1
User Reshad
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1 Answer

4 votes

Answer:


f(x) = 2x ^(2) + 7x - 4

Explanation:


\because \: f(x) = (2x - 1)(x + 4) \\ \therefore \:f(x) = 2x(x + 4) - 1(x + 4) \\ \therefore \:f(x) = 2x ^(2) + 8x - x - 4 \\ \therefore \:f(x) = 2x ^(2) + 7x - 4 \\

User Minhaz Kazi
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