Question

(i) (x + 1)2 = 2(x – 3)

Answer 1

Step-by-step explanation:

We have:

              (x + 1)2 = 2 (x – 3) x2 + 2x + 1 = 2x – 6

              ⇒ x2 + 2x + 1 – 2x + 6 = 0

              ⇒ x2 + 70

              Since x2 + 7 is a quadratic polynomial

              ∴ (x + 1)2 = 2(x – 3) is a quadratic

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