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x2+14x+48 = (x+_)(x+_)???? Help Please and thanks you laugh

knownhappyman68  Apr 6, 2018

Best Answer 

 #2
avatar+93916 
+3

x2+14x+48 = (x+_)(x+_)

 

You need to look for two numbers 

that multiply to 48

and add to 14

 

Since everything is positive the numbers will both be positive.

lets see, look at the muliply first, 

   12*4 =48 but 12+4=16, that is no good.

    6*8=48  and  6+8=14  wonderful

 

so tha answer is

(x+6)(x+8)

Melody  Apr 6, 2018
 #1
avatar+675 
+1

Answer is (x+6)(x+8)

thejamesmachine  Apr 6, 2018
 #3
avatar+93916 
+1

James please do not give answers without explanation, they are useless for learning and only encourage cheating.

Melody  Apr 6, 2018
 #2
avatar+93916 
+3
Best Answer

x2+14x+48 = (x+_)(x+_)

 

You need to look for two numbers 

that multiply to 48

and add to 14

 

Since everything is positive the numbers will both be positive.

lets see, look at the muliply first, 

   12*4 =48 but 12+4=16, that is no good.

    6*8=48  and  6+8=14  wonderful

 

so tha answer is

(x+6)(x+8)

Melody  Apr 6, 2018

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