C3+C7 đc thì lm hộ thêm =)) tặng 200xu =)) ----- Nội dung dịch tự động từ ảnh ----- Answer: The greatest value of M is .... Question 8. Find b if x+ 1 x--y= x²+ bxy + cy. Answer: b =... Question 9. Find x if (12x-5)(3x-4)+(9x-2)(1-4x) = 110. Answer: x = Question 10. ABCD is a trapezoid and its area is 19.5 cm. Find x. D. 3x M x C 3cm A Scm Note: Figure is not drawn to scale в Answer: x= .....