- Can someone help me on this linear algebra question!?!? I am so confused!!?

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What is the solution set for the equation 4x^2+4x+17? 4cosα((sin(α+β)cosβ - cos(α+β)sinα)
Can someone help? How many moles are 9.83 x 10^23 molecules of CO? Use a graphing utility to graph the polar equation below.
Find the area of the region between the loops of r = 3(1 + 2 sin(θ)).? Draw a flowchart for finding sum of first N odd natural numbers?