Question

Berapakah nilai dari (2 - 6t)(2t + 3 ) jika t = 3

Answer 1

Kaliin aja gan..
(2-6t)(2t+3)
=4t+6-12t^2-18t    | jika t = 3
=4(3)+6-12(3)^2-18(3)
=12+6-108-54
=-144

Answer 2

(2-6(3)) (2(3)+3) = (2-18) (6+3) = 12+ 6-168+54 = -96