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What is the value of p+q

What is the value of p+q-example-1
User Mark Kenny
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ax^2+bx+c=0\\\\x_1,\ x_2-solutions\\\\x_1+x_2=(-b)/(a)\\--------------------------\\\\4x^2-7x-2=0\\\\a=4,\ b=-7,\ c=-2\\\\p,\ q-solutions\\\\p+q=(-(-7))/(4)=(7)/(4)

User McRobert
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