Question

Factorize: (a + 5)² + (a- 5)² – 25​

Answer 1

Answer:

2a^2+25

Step-by-step explanation:

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

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

Now

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

Answer 2

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