Question

25x(x+1)= -4 प्राइम फैक्टराइजेशन ​

Answer 1

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Q:-25x(x+1)= -4 प्राइम फैक्टराइजेशन

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$➾</p><p>25x(x + 1) = - 4$

$➾</p><p>25 {x}^{2} + 25x + 4 = 0$

$➾</p><p>25 {x}^{2} + 20x + 5x + 4 = 0$

$➾</p><p>5x(5x + 4) + 1(5x + 4) = 0$

$➾</p><p>(5x + 1)(5x + 4) = 0$

$➾</p><p>5x + 1 = 0$

$➾</p><p>x = - \frac{1}{5}$✓

$➾</p><p>5x + 4 = 0$

$➾</p><p>x = - \frac{4}{5}$✓

HOPE IT HELPS YOU..

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Answer 2

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25x (x + 1) = - 4

25x² + 25x = - 4

25x² + 25x + 4 = 0

25x² + 20x + 5x + 4 = 0

5x(5x + 4) + 1 (5x + 4) = 0

(5x + 1) = 0 , (5x + 4) = 0

5x = - 1 , 5x = - 4

x =$-\dfrac{1}{5}$ , x =$-\dfrac{4}{5}$

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