Решите уровнение
1)35+(5х-1)(5х+1)=(5х+2)^2
2)3+(2х+3)^2=4(х-6)(6+х)
3)6-х+(2х-1)^2=4(х+3)^2
4)39х+(4х+3)^2=2+4(2х+1)^2

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1) 35+(5x-1)(5x+1)=(5x+2)^2 (a-b)(a+b)=(a^2-b^2)35+((25x^2)-1)=25x^2+20x+435-1+25x^2=25x^2+20x+434-4=20x30=20xx=30/20x=3/22) 3+(2x+3)^2=4(x-6)(6+x)3+(4x^2+12x+9)=4(x^2-36)3+9+4x^2+12x=4(x^2)-4*3612x+4x^2-4x^2=144-1212x=132x=113) 6-x+(4x^2-4x+1)=4(x^2+6x+9)6+1+4x^2-5x=4x^2+24x+36-29x=29x=-14) 39x+(4x+3)^2=2+4(2x+1)^239x+16x^2+24x+9=2+4(4x^2+4x+1)63x+16x^2+9=16x^2+16x+4+247x=-3x=-3/47