Divide by 3 to get:
(x - 4)² = 64
=> x - 4 = √64 = ± 8
i.e. x = 4 ± 8
so, x = 12 or x = -4
:)>
3(x - 4)²=192
(x - 4)² = 64
Take the square root of both sides to get:
x - 4 = 8
AND
x - 4 = -8
Solve for x in the equations to get:
x = -4 and x = 12
Divide through by 3 to get:
(x-4)^2 = 64
Square root both sides to get
x - 4 = 8 or x - 4 = -8
x = 12 or x = -4
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Verified answer
Divide by 3 to get:
(x - 4)² = 64
=> x - 4 = √64 = ± 8
i.e. x = 4 ± 8
so, x = 12 or x = -4
:)>
3(x - 4)²=192
(x - 4)² = 64
Take the square root of both sides to get:
x - 4 = 8
AND
x - 4 = -8
Solve for x in the equations to get:
x = -4 and x = 12
Divide through by 3 to get:
(x-4)^2 = 64
Square root both sides to get
x - 4 = 8 or x - 4 = -8
x = 12 or x = -4