2)Rozwiąż równanie.a)(x+1)²=(2+x)²-(2-x)²b)x2=8xc)2/3x2=1/2d)x2+9=6xe)4x-4x2=1f)4x2+6x-10=0
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x2 + 2x + 1 = 4 + 4x + x2- 4 -4x + x2
x2 + 2x + 1 = 2x2
2x + 1 = x2 /:x
2 +1 = x
3=x
b) x2 = 8x/:x
x=8
c)2/3x2 =1/2 /*2
2/6x2=1 /*6x2
2=6x2 /*6
12=x2 /√
√12=x
zad. w załączniku.Pozdropwionka.