3z(2z-7)-3(z-4)-63 for z=2
Answers
Answered by
6
Step-by-step explanation:
- 3z (2z -7) - 3 (z - 4 ) - 63
3(2) (2(2) - 7) - 3(2-4) - 63
6(4 - 7) - 3 (-2) - 63
6 (-3) - 6 - 63
18 - 69
51
- 3z (2z -7) - 3 (z - 4 ) - 63
6z - 21z - 3z -12 - 63
- 15 z - 3z - 12 - 63
- 12z - 12- 63
- 12z - 75
- 12 (2) - 75
24-75
51
Similar questions