kitam2871
kitam2871 kitam2871
  • 22-11-2018
  • Mathematics
contestada

Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial:

4/9 b^2+0.4bc+0.09c^2

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alessandroarenas
alessandroarenas alessandroarenas
  • 22-11-2018

[tex]\frac{4}{9}b^2 + 0.4bc + 0.09c^2 = \frac{4}{9}b^2 + \frac{4}{10}bc  + \frac{9}{100}c^2 = (\frac{2}{3}b + \frac{3}{10}c)^2[/tex]

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