Mathematics
Junior High
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(3)、(13)、(14)の途中式と答え教えてくださいー!
次の方程式を解きなさい。
L(1) 5x−10=0
(4) x²-4x=0
(7)x+18x+81=0
(10) x²-4x-60=0
[(2) 4(x−3)²—36=0
GRA
(13) 2x²+x-5=0
]
(
(5) 2x²+24x=0
(8) x²-4x+4=0
(11) x²+13x+40=0
JESKO
(
(14) x²-6x+4=0
]
]
JJS 0.
(3) 3(x+1)-8=0
(6) 3x²=15x
(
(9) x²-10x+25=0
(12) x²+2x-8=0
(
r
(15) x²+6x=x+36
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