36(x+y)²—49(x-y)²
=[6(x+y)]²-[7(x-y)]²
=(6x+6y)²-(7x-7y)²
=(6x+6y+7x-7y)(6x+6y-7x+7y)
=(13x-y)(13y-x)
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分解因式36(x+y)²—49(x-y)²要过程谢谢
36(x+y)²—49(x-y)²
=[6(x+y)]²-[7(x-y)]²
=(6x+6y)²-(7x-7y)²
=(6x+6y+7x-7y)(6x+6y-7x+7y)
=(13x-y)(13y-x)
很高兴为您解答,【the1900】团队为您答题.
请点击下面的【选为满意回答】按钮,