x(5x+9)-2 因式分解
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x(5x+9)-2 因式分解
x(5x+9)-2 因式分解
x(5x+9)-2 因式分解
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)
x(5x+9)-2 因式分解
x(5x+9)-2 因式分解
x(5x+9)-2 因式分解
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)
x(5x+9)-2
=5x²+9x-2
=(5x-1)(x+2)