Question

(5+a)^2+(5-a)^2=40 find the value of a​

Answer 1

Step-by-step explanation:

hope this will be helpful to you.

Answer 2

Answer:

Step-by-step explanation:

(5+a)^2 + (5-a)^2 = 40

25 + 10a + a^2 + 25 - 10a + a^2 =40

50 + 2a^2 = 40

2a^2 = -10

a^2 = -5

a = -root 5