Теңдеуді шешіңдер (х-4)²-6=(2+х)²

Question

1)(х-4)²-6=(2+х)²

2)(5-у)²+17=(у-3)²

3)31-3х-х²=20х+7(х-2)²

Answer 1

(x-4)2-6=(2+x)2 x2-8x+16-6=4+4 x+X2 -8X-4x=4-16+6 -12 X=-6 X=2