Question

solution of x^2+10x+21=0

Answer 1

Give it a try.

Answer 2

we will help, where are you stuck

Answer 3

?

Answer 4

helpp

Answer 5

where are you stuck

Answer 6

on everything. i dont know how to do it at all

Answer 7

help please?

Answer 8

x^2 + 10x +21 = 0
x^2 + 3x + 7x + 21 =0
x( x +3 ) + 7 (x + 3) =0
(x+3) (x + 7 ) =0

x+3 =0 x+7=0
x=-3 x=-7

Answer 9

Rational roots\[x^3-2x^2+10x+136=0\] and thank you!

Answer 10

help?