Toán Lớp 8: phan tich da thuc thanh nhan tu
4x^2 – 1
25x^2-0,09
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Toán Lớp 8: phan tich da thuc thanh nhan tu
4x^2 – 1
25x^2-0,09
Comments ( 2 )
25x^2-0,09=(5x)^2-(0,3)^2=(5x+0,3)(5x-0,3)