Question

substituting a = -2 in a^2 - 3a + 4 gives 6​

Answer 1

(-2)^2 - 3(-2) + 4

=> 4 + 6 + 4

=> 14

Answer 2

Step-by-step explanation:

a²-3a+4=6

-2²-3(-2)+4

-4-6+4

both 4are cancel so 6 is remain

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