✏ SIMPLIFY
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1. [tex] \bold{(ab)^3}[/tex]
[tex] \bold{(a-b)(a+b)^2}[/tex]
[tex] \bold{(a-b)(a^2+2ab+b^2)}[/tex]
[tex] \sf \red{a^3+3a^2b+3ab^2+b^3}[/tex]
[tex]\: \: \:[/tex]
2. [tex] \bold{(5x2)^2}[/tex]
[tex] \bold{(5x-2)(5x-2)}[/tex]
[tex] \bold{(5x)(5x)=25^2}[/tex]
[tex] \bold{(5x)(-2)= -10x}[/tex]
[tex] \bold{(-2)(5x)= -10x}[/tex]
[tex] \bold{(-2)(-2)= 4}[/tex]
[tex] \bold{25x^2-10x-10x-4}[/tex]
[tex] \sf \red{25x^2-20x+4}[/tex]
[tex]\: \: \:[/tex]
3. [tex] \bold{(-3ab)^2}[/tex]
[tex] \bold{(3ab)(-3ab)}[/tex]
[tex] \sf \red{(-9a^2b^2)}[/tex]
[tex]\: \: \:[/tex]
^^
