Question 1088881
Complete the square,
{{{f(x)=x^2+3x-2}}}
{{{f(x)=(x^2+3x+(3/2)^2)-2-(3/2)^2}}}
{{{f(x)=(x+3/2)^2-8/4-9/4}}}
{{{f(x)=(x+3/2)^2-17/4}}}
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{{{x=-3/2}}}