因式分解:2a²-73a+36,x²+7/4xy+5/8y²
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因式分解:2a²-73a+36,x²+7/4xy+5/8y²
因式分解:2a²-73a+36,x²+7/4xy+5/8y²
因式分解:2a²-73a+36,x²+7/4xy+5/8y²
2a²-73a+36
=(2a-1)(a-36)
x²+7/4xy+5/8y²
=x²+7/4xy+49/64y²-9/64y^2
=(x+7/8y)^2--9/64y^2
=(x+7/8y+3/8y)(x+7/8y-3/8y)
=(x+5/4y)(x+1/2y)
2a²-73a+36
= (2a-1)(a-36)
2a²-73a+36
(2 a-1)(a-36)
x²+7/4xy+5/8y²=(x+7Y/8)^2-9Y/64=(x+5Y/4)(X+Y/2)
(2a-1)(a-36)
(2x+y)(4x+5y)/8