Question

Plz plz solve this it's very very very argent plz my online exam are going plz answer me this plz plz




plz plz plz plz plz​

Answer 1

Step-by-step explanation:

1) 7xyz-9

2)

3) (1)³+(-1)³+(2)³-3(1×-1×2)

1-1+8-3×-2

8+6

14

4) [7x²+8x+(-4)] + (x²-6x+45)

7x²+8x-4+x²-6x+45

8x²+2x+41

5) 4(a+7)=36

4a+28=36

4a=36-28

4a=8

a=8/2

a=2

6) 3(-2)²-5(-2)+1

3×4+10+1

12+11

23

Pls mark me as brainliest

Hope it helps h dude