Question

8. If x = 10, evaluate :

(i) 6x2 – 25x​

Answer 1

Step-by-step explanation:

100x + 225. = (100 × 10) + 225. = 1000 + 225 = 1225. (ii) 6x2 – 25x. = 6(10)2 – 25(10). = (6 × 10 × 10) – (25 × 10). = 600 – 250 = 350.

Answer 2

6x2-25x

=6×10×2-25×10

=120-250

=-130