Question 888161
{{{y = -x^2 - 5x - 4}}}
{{{y = -x^2 + 9x - 18}}}
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{{{ -x^2 - 5x - 4 = -x^2 + 9x - 18}}}
{{{-14x=-14}}}
{{{x=1}}}
Then,
{{{y=-(1)^2-5(1)-4}}}
{{{y=-10}}}
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(1,-10)
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{{{drawing(300,300,-10,10,-20,20,grid(1),circle(1,-10,0.4),graph(300,300,-10,10,-20,20,-x^2-5x-4,-x^2+8x-18))}}}