tasfiatashin1
tasfiatashin1 tasfiatashin1
  • 13-10-2019
  • Mathematics
contestada

please solve these sums
for 10 points​

please solve these sumsfor 10 points class=

Respuesta :

tchrseercalf
tchrseercalf tchrseercalf
  • 13-10-2019

Answer:

(i) = 3

(ii) = 20

Step-by-step explanation:

x = 1

y = -2

z = -1

(i) 4x - 3y + 7z

4(1) - 3(-2) + 7(-1)

4 + 6 - 7 = 3

(ii) 2x³ - 6y²z + 3xyz²

2(1)³ - 6(-2)²(-1) + 3(1)(-2)(-1)²

2 + 24 - 6 = 20

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Аноним Аноним
  • 13-10-2019

Answer:

hope its helpful for you

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