Question

1. Find the value of the expression 4x+12xy+9y when x=-1 and y =2​

Answer 1

$\huge \bf \red{Ân} {\color{navy}{sw}} {\color{maroon}{er}}$

4 (-1) + 12(-1)(2) +9(2)

-4 - 24 +18

= -28 +18

- 10

Answer 2

$\huge\tt\red {Ans}\orange {wer}$

4x+12xy+9y

= 4×-1 + 12×-1×2 + 9×2

= -4 + (-24) × 18

= -4 - 24 ×18

= −436