Question

Solve the following equation by transforming it into a perfect square trinomial.
x2 – 2x = 3



A.


{–3, 5}


B.


{0, 4}


C.


{0, 8}


D.


{–1, 3}

Answer 1

Help

Answer 2

You need to move the constant (3) to the left side and set the whole thing equal to 0, the factor. Factoring this gives you (x - 3)(x + 1)

Answer 3

So A?

Answer 4

Set each = 0. x - 3 = 0, so x = 3. Then x + 1 = 0, so x = -1. The answer is D.

Answer 5

Thanks