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What is (x+3) (x-1)

 Aug 19, 2015

Best Answer 

 #3
avatar+97557 
+5

Yes this is algebra.

When ever you use letters inplace of numbers it is algebra :)

 Aug 19, 2015
 #1
avatar+97557 
+5

(x+3) (x-1)

Take the first term from the first bracket  that is   x and times it by the second bracket.  x(x-1)

now take the second term from the first bracket that is +3 and times it by the second bracket.  +3(x-1)

so you have

 

$$\\ x(x-1) +3(x-1)\\
=x^2-1x+3x-3\\
=x^2+2x-3$$

.
 Aug 19, 2015
 #2
avatar
+5

Melody is this algebra?

 Aug 19, 2015
 #3
avatar+97557 
+5
Best Answer

Yes this is algebra.

When ever you use letters inplace of numbers it is algebra :)

Melody Aug 19, 2015

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