2 answers:
27x^2-3=21
27x^2=24
the answer is 27x^s=24
that is my work up there
3(3x-1)^2=21
(3x-1)^2 = 7
3x-1 = square root of 7
3x = square root of 7 - 1
x = (square root of 7 - 1)/3
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