SOLUTION: If {{{a-b = -6}}} and {{{b + c = 9}}}, find the value of {{{3a^2 - b^2 - 2c^2}}}
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Question 1199520: If and , find the value of
Answer by ikleyn(52810) (Show Source): You can put this solution on YOUR website!
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I just solved this problem yesterday. See the solution under this link
https://www.algebra.com/algebra/homework/Expressions-with-variables/Expressions-with-variables.faq.question.1199499.html
https://www.algebra.com/algebra/homework/Expressions-with-variables/Expressions-with-variables.faq.question.1199499.html
Enjoy the solution (!)
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