Find the points that the graph "y = x^2 -4x -14" touches the x-axis

(2+3√2, 0)  and (2-3√2, 0)

TC

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Solve the simultaneous equations: (1) x^2 + y^2 = 25 and (2) y - 3x = 13


A (0,2) and B (6,5) are points on the straight line ABCD. AB=BC=CD. Work out the co-ordinates of D.


Multiply (x+2) & (x+3)


x^2 - 5x - 12 = 2, solve for x