Question

evaluate (3x-2)(x+5) for x =3​

Answer 1

Answer:

(i) For x = 2. (3x – 2) (x + 5). (3 × 2 – 2 ) (2 + 5). (6 – 2) × 7. 4 × 7 = 28. (ii) For x = 2 and y = 1. Xy2 (x – 5y) + 1. 2 × 12 (2 – 5 × 1) + 1. 2 × (2 – 5) + 1.

Answer 2

For x=3

(3×3-2)(3+5)

(9-2)(8)

7×8=56

56 is the Answer

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