Question

se X=3, Y= -2 e Z= -4

a) 2X + 3Y=

b)5X - 2X=

c)3X + 2Y - 3Z=

d)4Y+2XY - Z=

e)-3X -4Z + 5Y=

urgente me ajudem!!!!​

Answer 1

Explicação passo-a-passo:

a) 2x3+3x(-2) =

6+(-6)

0

b) 5x3-2x3 =

15-6

9

c)3x3 + 2x(-2) - 3x(-4)=

9-4+12

5+12

17

d)4x(-2)+2x3x(-2)-(-4)=

-8+6x(-2)-(-4)

-8-12+4

-20+4

-16

e)-3x3-4x(-4) + 5x(-2)=

-9+16-10

7-10

-3