queenkimm26
10.12.2020 •
Mathematics
Select the correct answer.
Which expression is equivalent to 4x^2√5x^4 • 3√5x^8, if x ≠ 0?
A: 12x^10√5
B: 60x^8
C: 35x^18
D: 7x^10√5
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Ответ:
x + y = 25
x - y = 7
2x = 32
x = 16
y = 25 - 16 = 9