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

Abdul's gas tank is 1/5 full. After he buys 7 gallons of gas, it is 7/10 full. How many gallons can Abdul's tank hold?

What is the quotient?

Please help!! I’ll mark brainliest

The length of a rectangle is 8 cm more than 3 times its width. The perimeter of the rectangle is 64 cm. Show the equation that would be used to find the dimensi

Which of the following statements is false? T-helper cells integrate the actions of the humoral and cellular immune responses. The humoral immune response is di

What is its primary advantage of multiple researches obtaining the same result

PLZ HELP LAST QUESTION WILL MARK BRAINLYEST JUST PLZ HELP SOME ONE Which of the following is a unit of volume in the English system of measurement? A:Meter

indicate in standard form the equation of the line passing through the given points (6,2) m=-1/2

One of the main ways that families promote social health is by

Humanistic therapists are likely to teach clients to A.focus more on other people's feelings than on their own. B.adapt more readily to social norms and expecta