Question

(i) If a = 4 then find the value of a2 + 4a -3.
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Answer 1

Answer:

21 is the answer

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Answer 2

= a² + 4a - 3 [when a = 4]

= (4)² + 4×4 - 3

= 16 + 16 - 3

= 32 - 3

= 29

Hope it helps......

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