kathysmith kathysmith

23-06-2017
Mathematics

contestada

Select the two values of the x that are roots of the given polynomial below. 3x^2+20x-7

Respuesta :

Banabanana Banabanana

23-06-2017

3x² + 20x - 7 =
3x² + 21x - x - 7 =
3x(x+7) - (x+7) =
(3x-1)(x+7)

3x-1 = 0 or x+7 = 0
x = -1/3 x=-7

Answer: -7, -1/3.

Answer Link

Otras preguntas

Can someone help me w answer 2 & 5. And can u check my other answers if there correct ? Would appreciate it

Factor completely 4x2 − 32.

kegemilangan kesultanan johor riau..dlm nota,,tntng urisan jual beli..please urgent

Complete the tablefor y = x + 3 andgraph the resultingline.

3) 17x - 3 = 626 can yall show me all the steps of how yall did it plz

please solve the question above

Events A and B are overlapping. P(A) = 6/17 ; P(B) = 5/17 ; P(A and B) = 3/17 .Find P(A or B) 14/17 8/17 11/17 9/17

A family therapist tells Mr. and Mrs. Johnson that they will have to take away some of their son’s privileges if they want him to stop bullying his younger brot

Who was Oliver Cromwell?

Graph y=(x+4)(-x+64) Y=-x^2+68