Question 1021657
{{{f(x)=g(x)}}}
{{{9x^2-64=5x^2-32}}}
{{{4x^2=32}}}
{{{x^2=8}}}
{{{(x-sqrt(8))(x+sqrt(8))=0}}}
{{{x=0 +- 2sqrt(2)}}}
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*[illustration G4.JPG].