Question

помогите все на фото​

Answer 1

$1)-(5p-2)*(-5p+2)=(-5p+2)*(-5p+2)=(-5p+2)^{2}=(2-5p)^{2}=4-20p+25p^{2} =25p^{2} -20p+4\\2)(-3a^{2}-4)*(4+3a^{2})=-(3a^{2}+4)*(3a^{2} +4)=-(3a^{2}+4)^{2}=-(9a^{4}+24a^{2}+16)=-9a^{4} -24a^{2}-16$

Answer 2

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