jalen603375
jalen603375
13-01-2022
Mathematics
contestada
what does 1) x2 – 5x – 14 = 0 equals?
Respuesta :
xXAnjaanXx
xXAnjaanXx
13-01-2022
Answer:
x = -2 and 7
Step-by-step explanation:
x^2 - 5x - 14 = 0
x^2 - ( 7 - 2 )x - 14 = 0
x^2 - 7x + 2x - 14 = 0
x ( x - 7 ) + 2(x - 7) = 0
(x + 2) (x - 7) = 0
x = -2 and 7
Hope it helps !!
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AnjaanIzzBhoot
AnjaanIzzBhoot
20-02-2022
[tex] \huge\bf \bold{Answer : }[/tex]
[tex] \bf \: {x}^{2} - 5x - 14 = 0[/tex]
[tex] \: \: [/tex]
[tex] \bf \: {x}^{2} - (7 - 2)x - 14 = 0 [/tex]
[tex] \: \: [/tex]
[tex] \bf \: {x}^{2} - 7x + 2x - 14 = 0[/tex]
[tex] \: \: [/tex]
[tex] \bf \: x(x - 7) + 2(x - 7) = 0[/tex]
[tex] \: \: [/tex]
[tex] \bf \: (x + 2) - (x - 7) = 0[/tex]
[tex] \: \: [/tex]
[tex] \boxed{ \bf x = - 2 }\bf \: \: \: and \: \: \: \: \boxed{ \bf \: x = 7}[/tex]
[tex] \: \: [/tex]
Hope Helps!!
Answer Link
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