Math, asked by manishmalikna, 9 months ago

If a = 3 + 12), then the value of a² + la is

Answers

Answered by pragatisumiran

1

Answer:

l= -15

Step-by-step explanation:

(3+12)^2+l*3+12= (15)^2+l *15

225+15l

-15l= 225

l= 225/(-15)

l= -15

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