(1).4x^2+20x+25 (2).x^4+6x^2+9 (3).x^4-18x^2+81 (4).(x-y)^2+
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(1).4x^2+20x+25 (2).x^4+6x^2+9 (3).x^4-18x^2+81 (4).(x-y)^2+2(x-y)w+w^2 多项式因式分解
![(1).4x^2+20x+25 (2).x^4+6x^2+9 (3).x^4-18x^2+81 (4).(x-y)^2+](/uploads/image/z/17658195-51-5.jpg?t=%EF%BC%881%EF%BC%89.4x%5E2%2B20x%2B25+%282%29.x%5E4%2B6x%5E2%2B9+%283%29.x%5E4-18x%5E2%2B81+%284%29.%28x-y%29%5E2%2B)
(1).4x^2+20x+25
=(2x+5)²
(2).x^4+6x^2+9
=(x²+3)²
(3).x^4-18x^2+81 \
=(x²-9)²
=(x+3)²(x-3)²
(4).(x-y)^2+2(x-y)w+w^2
=(x-y+w)²
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
=(2x+5)²
(2).x^4+6x^2+9
=(x²+3)²
(3).x^4-18x^2+81 \
=(x²-9)²
=(x+3)²(x-3)²
(4).(x-y)^2+2(x-y)w+w^2
=(x-y+w)²
如果本题有什么不明白可以追问,如果满意请点击“选为满意答案”
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