leelee3214h leelee3214h

02-09-2017
Mathematics

contestada

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

Respuesta :

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

Nabil wants to work out the density of a pebble. he has a displacement can and a beaker. What other piece of equipment will he need

Schopp Corporation makes a mechanical stuffed alligator that sings the Martian national anthem. The following information is available for Schopp Corporation's

Evaluate 32 + (4c − 6c) + (2 + 6c) for c = 5. A.22 B.64 C.−10 D.54

pllllzzzz answer fast! i will give brainliest

The measure of angle DEH is ___ degrees.

During a 14-day period, there is the following activity on your bank account. You deposit $100, withdraw $75, deposit $85, and withdraw $150. What is the rate o

Please help urgent ❤️❤️❤️Pl

Use the diagram to identify the special angle pairs. ADC and BDC are . A pair of complementary angles is angles .

Why did scientists struggle for thousands of years to accurately describe the solar system?

Safety by-laws state that for a ladder to be stable, the angle the base of the ladder makes with the ground should be between 70° and 80'. A safety inspector at