Answer:
x
Step-by-step explanation:
3x+xy
Factor out an x
x(3+y)
The greatest common factor is x
Answer:
<em>x+y=4</em>
Step-by-step explanation:
hello :
note : by identity you have x²-y² = (x-y)(x+y)
in this exercice : 2x²-2y² = 2(x²-y²) = 2 (x-y)(x+y)
means : 2 (x-y)(x+y) = 40
but x-y = 5
so : 2(5)(x+y) =40
x+y=40/10
<em>x+y=4</em>
Answer:
223?
Step-by-step explanation:
6n +7 (nth term)
(6*36)+7 = 223
5×3=15 because 5 plus five plus five equals 15 if you add it together correctly