rayanne2
rayanne2
27-04-2016
Mathematics
contestada
(3x²-7x+2)+(2x²+7x-1)
Respuesta :
Аноним
Аноним
27-04-2016
3
x^2
+
−
7x
+2
+
2
x^2
+
7x
+
−
1
Combine like terms:
3
x^2
+
−
7x
+2
+
2
x^2
+
7x
+
−
1
(
3
x^2
+
2
x^2
)
+
(
−
7x
+
7x
)
+
(
2+
−1
)
Answer:
5
x^2
+
1
Answer Link
TSO
TSO
27-04-2016
[tex](3x^2 - 7x + 2)+(2x^2+7x - 1)=\\\\3x^2 - 7x + 2 +2x^2 + 7x - 1=\\\\3x^2+2x^2-7x+7x+2-1=\\\\\boxed{\bf{5x^2+1}}[/tex]
Answer Link
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