Question

factorize 5x²-29x+42​

Answer 1

5x² - 29x + 42

= solving using quadratic equation,

= -b ±√( b² - 4ac)/ 2a

= 29 ±√( 841 - 840)/ 2 * 10

= 29 ± √1/ 20

= 29 + 1/ 20 ; 29 - 1/ 20

x = 1.5 ; 1.4

Answer 2

Step-by-step explanation:

$5 {x}^{2} - 29x + 42 \\ \\ 5 {x}^{2} + 6x - 35x + 42 \\ \\ x(5x + 6) - 7(5x + 6) \\ \\ (5x + 6)(x - 7)$

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