Mariemiejay
Mariemiejay Mariemiejay
  • 21-09-2016
  • Mathematics
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5. multiply 9x^2(2x^2 8x) a) 18x^4 72x^3 b) 18x^2 72x^3 c) 11x^4 - 17x^3 d) 90x^4

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nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 22-09-2016
9x^2(2x^2 + 8x) = 18x^4 + 72x^3
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