let p(x) = x^2, q(x) = 2x^3+1, and r(x) = 7x^4 - 5x^3 - 6x - 2. Find p(q(x)) + r(x)
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4x6+7x4−x3−6x−1
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Let p(x)=x2,q(x)=2x3+1, and r(x)=7x4−5x3−6x−2. Find p(q(x))+r(x).
We have (2x3+1)2+(7x4−5x3−6x−2)=2x6+4x3+1+7x4−5x3−6x−2=2x6+7x4−x3−6x−1.
+29 
+876 
