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Ray Of Light [21]
3 years ago
5

IF A = -3Find the value of​

Mathematics
2 answers:
Alexeev081 [22]3 years ago
7 0

2a =2(-3) = -6\\\\a^2 = (-3)^2 = 9 \\\\3a^2 = 3(-3)^2 = 3 (9) = 27

Kay [80]3 years ago
5 0

Here are steps

replace all the A with its value<em> </em><u>-3</u>

 

a) 2a

  • 2(-3)
  • <u>-6</u>

b) a²

  • -3²
  • <u>9</u>

c) 3a²

  • 3(-3)²
  • -9²
  • <u>81</u>
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