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What are the possible of x if (4x-5)^2=49? Check all that apply

User Pavan Nath
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1 Answer

2 votes

Answer:

x = 3 x = -1/2

Explanation:

(4x-5)^2=49

Take the square root of each side

sqrt((4x-5)^2)=±sqrt(49)

4x-5 = ±7

Separate into two equations

4x-5 = 7 4x-5 = -7

Add 5 to each side

4x-5+5 = 7+5 4x-5+5 = -7+5

4x = 12 4x=-2

Divide each side by 4

4x/4 = 12/4 4x/4 = -2/4

User Gerrytan
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