Bagaimana menyelesaikan Question 3 A pattern was made using an arrangement set of triangles . (2+5 marks ) 2 3 7 9 ( a) What two quantities are changing ? Hint: Which changes first and what changes as a result? (b) Use a mathematical sentence to represent the pattern .

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1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

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