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شائع >

expand (4x-1)(3x+7)

الحلّ

expand

(4 x - 1) (3 x + 7)

الحلّ

12 x^{2} + 25 x - 7

خطوات الحلّ

(4 x - 1) (3 x + 7)

Apply FOIL method

(4 x - 1) (3 x + 7) : 12 x^{2} + 25 x - 7

= 12 x^{2} + 25 x - 7

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