Question

(7х-1)(2+х)=(х-4)(х+4); (6+х)2=(х-2)(3-х); х(8-3х)=(5х-1)2.

Answer 1

blmim al,karaugada tyak jok,renjime

Answer 2

1) (7х-1)(2+х)=(х-4)(х+4)
14х-7х^2-2-х=х^2+4х-4х-16
13х-7х^2-2-х^2+16=0
-8х^2+13х+14=0