Toán Lớp 8: Bài 5: Tìm x
a) (x+2)^2-9=0
b) (x-1)(x^2+x+1)+x(x+2)(2-x)=5
c) x^2-2x+1=25
d) 5x(x-3)^2-5(x-1)^3+15(x+4)(x-4)=5
e) (5x+1)^2-(5x-3)(5x+3)=30
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Toán Lớp 8: Bài 5: Tìm x
a) (x+2)^2-9=0
b) (x-1)(x^2+x+1)+x(x+2)(2-x)=5
c) x^2-2x+1=25
d) 5x(x-3)^2-5(x-1)^3+15(x+4)(x-4)=5
e) (5x+1)^2-(5x-3)(5x+3)=30
Comments ( 1 )
Mk gủi bài lm nhé ạ
Xin hay nhất. Thk bn>_