Math, asked by shashankfeb6, 7 months ago

(a + 4)^2 – (a - 5)^2 = 9

Answers

Answered by sparsh1923

0

Here is your answer in above pic.

1....... is the ANSWER

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Answered by navya2105

0

Answer:

a=1

Step-by-step explanation:

(a+4)^2=a^2+8a+16

(a-5)^2=a^2-10a+25

=(a^2+8a+16)-(a^2-10a+25)=9

=a^2+8a+16-a^2+10a-25=9

=18a-9=9

=18a=18

=a=1

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