lizzy223
lizzy223
23-08-2017
Mathematics
contestada
I'm having trouble with this question any help?
Respuesta :
choixongdong
choixongdong
23-08-2017
answer is 2) 49/4
x^2 +7x = 11
left side
x^2 + 2 (x) (7/2) + 49/4
= (x + 7/2)^2
Answer Link
mreijepatmat
mreijepatmat
23-08-2017
The added number is 49/4. Proof:
x² + 7x = 11
x² + 7x + 49/4 = 11 + 49/4
(x+7/2)² = 11+49/4
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
what famous ancient greek mathematician came up with an approximate value of pi by circumscribing and inscribing circles in and around regular polygons?
a large body of rock or gas that orbits the earther
Compare and contrast ancient China and ancient Japan. please help! i need to do an essay on it that is 3-5 paragraphs long.
what is the manifest destiny
What is the compound of the way someone will do your hair
What do you call a fraction with her at normal numerator and a denominator as 0 ?
Volume , mass, and weight can be measured with balances, scales, and ?
What might happen to the sea star population after oyster beds are destroyed
School is cancelled if there is at least 8 inches of snow at 5am. If there are three inches of snow at 8 pm the night before and snow is predicted to fall at
What is 1/2 of a liter in mL?
