need help.............
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Answered by
2
Step-by-step explanation:
1. 5xy + 3z [ x = 2, y = -1, z = 3]
= {5 × 2 × (-1)} + (3 × 3)
= -10 + 9
= -1
2. 2a³ - c² [ a = 4, c = 1]
= (2 × 4³) - (1²)
= (2 × 64) - 1
= 128 - 1
= 127
HOPE THIS ANSWER WILL HELP YOU AND PLEASE MARK THIS ANSWER THE BRAINLIEST ONE...
Answered by
1
Answer:
Step-by-step explanation:
1. 5xy + 3z [ x = 2, y = -1, z = 3]
= {5 × 2 × (-1)} + (3 × 3)
= -10 + 9
= -1
2. 2a³ - c² [ a = 4, c = 1]
= (2 × 4³) - (1²)
= (2 × 64) - 1
= 128 - 1
= 127
HOPE THIS ANSWER WILL HELP YOU AND PLEASE MARK THIS ANSWER THE BRAINLIEST ONE...
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