Math, asked by lilyjasmine364, 28 days ago

a² - 9 + a² - 16 step by step explanation.. I will mark you as brainliest!

Answers

Answered by gayathreedeviaj

1

Answer: Pls mark brainliest

Step-by-step explanation:

a^2 - 9 + a^2 -16

= 2a^2 - 25=0

= 2a^2=25

=> a^2= 25/2

=> a^2=12.5

=> a = + 3.53 or -3.53

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