Question

1)(X+5)×6+(x-3)в2=
2)(y-4) в2-(y+2)×8=
3)26-aв2-(5-а)в2=
Памагите

Answer 1

Ответ на фото/////////////////////

Answer 2

(x+5)•6+(x-3)²=6x+30+x²-6x+9=x²+39

(y-4)²-(y+2)•8=y²-8y+16-8y-16=y²-16y

26-a²-(5-a)²=26-a²-25+10a-a²=-2a²+10a+1