Question

1. 5x^2-5y^2 2. -3a^2+123. 3x^2-754. 8a^2+16a+85. -3x^2+12x-126. -b^2-10ab-25a^2пжжжж'-'​

Answer 1

Ответ:

Ответ на фото

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Answer 2

It looks like you've provided a list of expressions, and it seems you might want me to perform certain operations on them or provide some information about them. Please specify what you would like me to do with these expressions, such as simplifying, factoring, solving for variables, or anything else. Once you clarify your request, I'll be happy to assist you further.