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

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