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Brooke2013
 3 years ago
Determine which binomial is a factor of 2x^3 + 14x^2  24x + 20
A.) x + 5
B.) x + 20
C.) x  24
D.) x  5
Brooke2013
 3 years ago
Determine which binomial is a factor of 2x^3 + 14x^2  24x + 20 A.) x + 5 B.) x + 20 C.) x  24 D.) x  5

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irkiz
 3 years ago
Best ResponseYou've already chosen the best response.0its mcq so its easy to solve X is definitely wrong coz X is not the same as x

irkiz
 3 years ago
Best ResponseYou've already chosen the best response.0if (x+5) is a factor, then x = 5 would make the equation 0

irkiz
 3 years ago
Best ResponseYou've already chosen the best response.0if (x5) is a factor, then x= 5 makes the equation 0

irkiz
 3 years ago
Best ResponseYou've already chosen the best response.0substitute x = 5 and x = 5 see which one makes it 0

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0There all 4 little x's I just didn't mean to make the two middle one's capital x's.

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0So I'll try the other two to see which one is right

irkiz
 3 years ago
Best ResponseYou've already chosen the best response.0i managed to find the answer by substituting a value

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0When I put the equation like this 2(5)^3 + 14(5)^2  24(5) + 20 I get 100 + 1900  120 + 20 and when you add it up it equals 4900

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0Is the answer x = 5 ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1yes, x=5 is the root , so x5 is the factor.

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0So the answer is D ? x  5

Brooke2013
 3 years ago
Best ResponseYou've already chosen the best response.0I wish I understood how you got that bc I tried to plugg 5 into where the x's are and I got the answer 4900 not 0
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