Subtract 4x^2-5xy+9y^2 from 6x^2+4xy-7y^2

2x2 - 16y2 + 9xy

(the 2 to the right of the x and y are small numbers i forgot what dey are called lol)

ok i got your answer you hath to take out all those x,y s and you will get this 4^{2}-5+9^{2}-6^{2}+4-7^{2}equals 11

Step-by-step explanation:

HOPE I HELPED PLZ GIVE ME A THANKS

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

tap for more

y

=

−

2

find the upper bound of the range.

tap for more

y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation: