Qstnid -A-17- (X - 5)(x + 3) = (X - 7)(x + 4) - 14: Linear Equations In One Variable Class 8 Maths - Icse-viii-mathematics

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ICSE-VIII-Mathematics

14: Linear Equations in one Variable Class 8 Maths

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#17
(x - 5)(x + 3) = (x - 7)(x + 4)
Ans : (x - 5)(x + 3) = (x - 7)(x + 4)
⇒ x2 + 3x - 5x - 15 = x² + 4x - 7x - 28
⇒ -2x - 15 = -3x - 28
⇒ 3x - 2x = 15 - 28
⇒ x = - 13