Answer:
16
Step-by-step explanation:
as an expression: (15 - 6) + (-2 + 9)
simplify quantities: (9) + (7)
sum: 16
:D
The answer will be A.
Answer:Answer is option C : [ + 3x + 3 ] =0
Note: None of options matches with given question.
instead of "-3" , there should be "-".
instead of "-3" , there should be "".
Here, First thing you have to observe the nature of roots.
∴ x = -+i and x = --
∴ [ x+(-i) ][ x+(+i) ]=0
∴ [ + x(+i)+ x(-i) + (-i)(+i) ]=0
∴ [ + x + ix + x - ix + (3-i)(3+i) ] =0
∴ [ + 3x + (-i)(+i) ] =0
∴ [ + 3x + - (i)(i) ] =0
∴ [ + 3x + - () ] =0
∴ [ + 3x + + () ] =0
∴ [ + 3x + ] =0
∴ [ + 3x + 3 ] =0
Thus, Answer is option C : <em>[ + 3x + 3 ] =0 </em>