Question

factor the quadtric expression completely and find the roots for the expression 20x+13x+2

Answer 1

u mean 20x^2?

Answer 2

( 5x + 2 )( 4x + 1 )

the roots if this = 0
are -2/5 , -1/4

Answer 3

i assumed u meant 20x^2

Answer 4

it is not a quad equation!

Answer 5

yes

Answer 6

how did you find those roots @jimmy rep

Answer 7

first factorised to get 2 factors
when two items multiplied together = 0
then one of them must also = 0

Answer 8

20x^2+13x+2

20(2) = 40

1,40
2,20
4,10
8,5 ... 8 +5 = 13 ....

(x+8/20) (x+5/20) ; reduce

(x+2/5) (x+1/4) ; stick bottoms in front

(5x+2) (4x+1)

Answer 9

to determine the roots we can stop at:

(x+2/5) (x+1/4) ; and solve for 0 :)


x = -2/5 and x = -1/4