Respuesta :
2. x^2 +6x +8 = (x+4)(x+2)
3. x^2 -7x +12 = (x-4)(x-3)
4. g^2 -2g -24 = (g+4)(g-6)
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3. x^2 -7x +12 = (x-4)(x-3)
4. g^2 -2g -24 = (g+4)(g-6)
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2. x² + 6 x + 8 =
= x² + 4 x + 2 x+ 8 = x ( x + 4 ) + 2 ( x + 4 ) =
= ( x + 4 ) ( x + 2 )
Answer: B )
3. x² - 7 x + 12 =
= x² - 3 x - 4 x + 12 = x ( x - 3 ) - 4 ( x - 3 ) =
= ( x - 3 ) ( x - 4 )
Answer: D )
4. g² - 2 g - 24 = ( g + 4 ) * W
g² - 2 g - 24 = g² - 6 g + 4 g - 24 =
= g ( g - 6 ) + 4 ( g - 6 ) =
= ( g - 6 ) ( g + 4 )
Answer: B ) g - 6
= x² + 4 x + 2 x+ 8 = x ( x + 4 ) + 2 ( x + 4 ) =
= ( x + 4 ) ( x + 2 )
Answer: B )
3. x² - 7 x + 12 =
= x² - 3 x - 4 x + 12 = x ( x - 3 ) - 4 ( x - 3 ) =
= ( x - 3 ) ( x - 4 )
Answer: D )
4. g² - 2 g - 24 = ( g + 4 ) * W
g² - 2 g - 24 = g² - 6 g + 4 g - 24 =
= g ( g - 6 ) + 4 ( g - 6 ) =
= ( g - 6 ) ( g + 4 )
Answer: B ) g - 6