SOLUTION: Perform the indicated operations and simplify: (7a^2-3b^2+10)-(-2a^2+b^2-12) please show steps thank you

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Question 1048515: Perform the indicated operations and simplify: (7a^2-3b^2+10)-(-2a^2+b^2-12)
please show steps thank you

Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!


recall the rules:
When parentheses are preceded by a plus sign + simply remove them. Nothing changes.
When parentheses are preceded by a minus sign - change the sign of every term within the parentheses.
so, you get




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