SPM Mathematics Trial 2021 (Selangor), Paper 2 (Question 1 & 2)
Question 1:Solve the following equation:3x (3 – x) = -(4 + 2x)(4 marks)Solution:3x (3 – x) = -(4 + 2x)9x – 3×2 = -4 – 2x3x2 – 9x – 2x – 4 = 03×2 – 11x – 4 = 0(x – 4)(3x + 1) = 0x = 4, x = –1/3 Question 2:Diagram 1 shows a … Read more