It is a quadratic equation and the value of x is -7 or 6
x2 - 42 = (-x)
x2 + x - 42 = 0
(x + 7) (x - 6) = 0
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x=3
x = 2.1374586088176875 x = -1.6374586088176875
Negative sixty-four minus four squared is equal to -80.
Draw the graph of negative X squared plus 5 minus X cubed and find the values of x where it intersects the x axis.
x^2 +9 =x^2 -9 9=-9 No solution