Question

(7-y)2+14y Simplify it.

Answer 1

= (7-y)2 + 14y
= 14-2y + 14y
= 14- 12y is the answer
may be it is correct

Answer 2

Answer:

y²+49

Explanation:

(-y+7)²+14y

(-y+7)(-y+7)+14y

(-y+7)(-y)+7(-y+7)+14y

-(-y+7)y+7(-y+7)+14y

-(y(-y)+7y)+7(-y+7)+14y

--(yy+7y)+7(-y+7)+14y

-(-y²+7y)+7(-y+7)+14y

y²-7y+7(-y+7)+14y

y²-7y-7y+49+14y

y²-14y+49+14y

cancel both 14y

+ -- = --

but +is bigger

then,

y²+49