Question

оооочень срочно 1.(2m+3)²
2.(-3y+2a)²
3.(a²-2b)²
4.(-12x-4t)²
5.(6p²-7a⁴)²

Answer 1

$(2m+3)^2=4m^2+12m+9$
$(-3y+2a)^2=(2a-3y)^24a^2-12ay+4a^2$
$(a^2-2b)^2=a^4-4a^2b+2b^2$
$(-12x-4t)^2=(-(12x+4t))^2=(12x+4t)^2=144x^2+96xt+16t^2$
$(6p^2-7a^4)^2=36p^4-84p^2a^4+49a^8$

Answer 2

невернг

Answer 3

неверно