Answer:
12x⁶y¹⁰
Explanation:
√144x¹²y²⁰
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12 × 12 = 144
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12√x¹²y²⁰
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xx
xx
xx
xx
xx
xx
six sets of two equals x⁶
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12x⁶√y²⁰
yy
yy
yy
yy
yy
yy
yy
yy
yy
yy
ten sets of two equals y¹⁰
12x⁶y¹⁰
I hope this helps!