Solve by using the square root method.

4x2-8=136

Question 3 options:

{-2, 2}

{-6, 6}

{-12, 12}

{-144,144}

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Verify the identity. sin (x + y) - sin (x - y) = 2 cos x sin y

Quadratic equation that contain the three ordered pairs (1,6), (3,26), (-2,21)

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