leelee3214h leelee3214h
  • 02-09-2017
  • Mathematics
contestada

what is x squared plus six x minus twenty seven =0

Respuesta :

WojtekR
WojtekR WojtekR
  • 02-09-2017
[tex]x^2+6x-27=0\\\\x^2-3x+9x-27=0\\\\x\big(x-3\big)+9\big(x-3\big)=0\\\\\big(x+9\big)\big(x-3\big)=0\\\\\\x+9=0\qquad\vee\qquad x-3=0\\\\\boxed{x=-9\qquad\vee\qquad x=3}[/tex]
Answer Link

Otras preguntas

A 40 V battery is connected to a 10 Ω resistor. Determine the current in the circuit?
Walkers A and B are doing a charity relay race. Walker A starts by completing 6 miles, and then hands a baton off to Walker B who walks another 6 miles. Using t
Based on context clues in the passage, what is the most likely meaning of distraught?
What does Rosie's appearance in that image suggest about her personality? Support your answer with evidence from the image and video.
Glucose and water are produced by photosynthesis? Correct or incorrect
10. Merchants were well respected in Muslim culture because they ___
Jason purchased a pack of game cards that was on sale for 13% off. The sales tax in his county is 8%. Let y represent the original price of the cards. Write an
Which has more momentum, a car traveling at 12 km/h or a bicycle traveling at the same speed ? Explain why
Niko spent $23.25 a raffle ticket that cost $.75 each which of the following is the number of raffle tickets niko bought
In need help i am doing grade improvements