Question 173630
{{{y = x^2 - 4x - 32}}} 
To find x-intecepts, set y=0
{{{0 = x^2 - 4x - 32}}}
{{{0 = (x-8)(x+4)}}}
x = 8 and x = -4
*[invoke quadratic "x", 1, -4, -32]
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