Verified answer

a)

5-y²=2(y²-3)+1

5-y²=2y²-6+1

-3y²=-5-5

-3y²=-10

y²=10/3

y=-raiz(10/3) v y=raiz(10/3)

b)

1/2 x + 1 + 1-x/2 = 2x²/3

x/2+2-x/2=2x²/3

2x²/3=2

2x²=6

x²=3

x=-raiz(3) v x=raiz(3)

a)5-y²=2(y²-3)+1

5-y²=2y²-6+1

5-y²=2y²-5

2y²+y²=5+5

3y²=10

y²=10/3

y=+-V10/3

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