Review

Answers

  1. \(17(8 x-10)=134 x-170\)

  2. \(2 x(4 x-5)=8 x^{2}-10 x\)

  3. \(9 x^{3}\left(3 x^{2}-2 x+7\right)=27 x^{5}-18 x^{4}+63 x^{3}\)

  4. \(3 x\left(2 y^{2}+y-5\right)=6 x y^{2}+3 x y-15 x\)

  5. \(10 q\left(3 q^{2} r+5 r\right)=30 q^{3} r+50 q r\)

  6. \(-3 a^{2} b\left(9 a^{2}-4 b^{2}\right)=-27 a^{4} b+12 a^{2} b^{3}\)
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