(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]化简

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(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]化简(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]化简(5a^2-3b

(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]化简
(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]
化简

(5a^2-3b^2)-[-(a^2-2ab-b^2)-(5a^2+2ab+3b^2)]化简
(5a^2-3b^2)+(a^2-2ab-b^2)+(5a^2+2ab+3b^2)=11a^2-b^2

答案是6a的平方+b的平方+4ab