I need help what is y2 + x + y when x=−3 and y=−4.

9

y^2= -4^2 = 16

16+x = 16-3 = 13

13+y = 13-4 = 9

9

Step-by-step explanation:

y^2 + x + y

x = -3

y = -4

-4^2 + -3 + -4

16 + -3 + -4

13 + -4 = 9

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t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2