haleydancer8
haleydancer8
05-10-2020
Mathematics
contestada
X2+ 5x -24=(x – 3) (x + m)
Respuesta :
ManpreetCheema
ManpreetCheema
05-10-2020
Answer:
m = 8
Step-by-step explanation:
put -24 into the equation so : [tex]x^{2} +5x -24[/tex]
find two numbers that : times to make -24, and add to make 5
those two numbers are 8 and -3 (since 8-3=5 and 8*-3=-24)
put those into double brackets: (x-3)(x+8)
(x-3)(x+8) = (x-3)(x+m)
+8 goes into where m is
m = 8
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