Roselaineviz
Answered

what is the answer of (2a+6b)(2a-6b) ?
what is the answer of -2a(b+3-2a)?
what is the answer of (a-6b)(a+6b)?
what is the answer of (a+3)(a+3)?

Sagot :

Mlcparra16viz
[tex](2a+6b)(2a-6b)=4 a^{2} -36 b^{2} [/tex]
[tex]-2a(b+3-2a)=-2ab-6a+4 a^{2} [/tex]
[tex](a-6b)(a+6b)= a^{2} -36 b^{2} [/tex]
[tex](a+3)(a+3)= a^{2} +6a+9[/tex]