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if a=3x^2+5x-6 and B=-2x^2-6x+7 then waht does A+B=?

 Jun 9, 2015

Best Answer 

 #4
avatar+33603 
+5

Simply add together the terms with the same power of x (or subtract if needed):

 

A + B = 3x^2 + 5x - 6 -2x^2 - 6x + 7 → x^2 - x + 1

.

 Jun 9, 2015
 #1
avatar+55 
0

You need numbers for the variables as I nor My source can solve your problem.

 Jun 9, 2015
 #4
avatar+33603 
+5
Best Answer

Simply add together the terms with the same power of x (or subtract if needed):

 

A + B = 3x^2 + 5x - 6 -2x^2 - 6x + 7 → x^2 - x + 1

.

Alan Jun 9, 2015

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