(1)-2x^2+13-15=0 (2)x^2=2√2x-2 (3)(2/3)x^2-(1/6)x=1/2
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(1)-2x^2+13-15=0(2)x^2=2√2x-2(3)(2/3)x^2-(1/6)x=1/2(1)-2x^2+13-15=0(2)x^2=2√2x-2(3)(2/3)x^2-(1/6)x=1
(1)-2x^2+13-15=0 (2)x^2=2√2x-2 (3)(2/3)x^2-(1/6)x=1/2
(1)-2x^2+13-15=0 (2)x^2=2√2x-2 (3)(2/3)x^2-(1/6)x=1/2
(1)-2x^2+13-15=0 (2)x^2=2√2x-2 (3)(2/3)x^2-(1/6)x=1/2
(1)-2x^2+13-15=0
2x²-13x+15=0
(2x-3)(x-5)=0
x1=3/2 x2-5
(2)x^2=2√2x-2
x^2-2√2x+2=0
(x-√2)^2=0
x=√2
(3)(2/3)x^2-(1/6)x=1/2
4x^2-x=3
4x^2-x-3=0
(4x+3)(x-1)=0
x1=-3/4 x2=1
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