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Solve the equation: (a + 2)^4- 20(a + 2)^2+ 64 = 0
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19 votes
Solve the equation: (a + 2)^4- 20(a + 2)^2+ 64 = 0

User Jayesh Elamgodil
by
5.2k points

2 Answers

7 votes
The answer is 7
If needed to be solved to show proof text me
User Ivan Kovacevic
by
5.2k points
8 votes

Answer:

Answer is 7.

Explanation:

(a + 2)^4- 20(a + 2)^2+ 64 = 0

2a^4- 20(2a)^2+ 64 = 0

16a-20(4a)+64=0

-4a -64 -4a -64

12a-84=0

+84 +84

12a=84

84/12=7

User Patrick Forget
by
4.7k points
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