Question

VALOR NUMERICO X=-3 Y=4 Z=-2 P=3

3X+5Y-6Z+15P
6X +2Y- 5Z
10X+15Y+ 12Z+ 13P- 8X -6Y- 9Z- 7P
4(3X+2Y-5Z)

Answer 1

3(-3) + 5(4) - 6(-2) +15 (3)
-9 + 20 + 12 + 45
63

6(-3) + 2(4) - 5(-2)
-18 + 8 +10
0

10(-3) + 15(4) + 12(-2) + 13(3) - 8(-3) - 6(4) - 9(-2) -7(3)
-30 + 60 - 24 + 39 + 24 -24 +18 -21
107 - 54
53

4(3(-3) + 2(4) - 5(-2))
4(-9 + 8 + 10)
4(9)
36