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pickupchik [31]
4 years ago
7

Solve 3x 2 + 2 = 11 - x 2

Mathematics
1 answer:
Nesterboy [21]4 years ago
4 0
3x^2 + 2 = 11 - x^2\\\\ 3x^2+x^2=11-2\\\\ 4x^2=9\\\\(2x)^2=3^2\\\\ |2x|=3\\\\ 2x=3 \ or \ 2x=-3\\\\ x=\frac{3}{2} \ or \ x=-\frac{3}{2}
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