31. What should be added to 2x ^ 4 + 3x ^ 2 - 6 to obtain 5x^ 4 6x^ 3 +x^ 2 +5 .
Answers
Answered by
0
Answer:
In order to get (3x
2
−2x+6)from(2x
2
+6x−5) we need to:
(3x
2
−2x+6)−(2x
2
+6x−5)
=3x
2
−2x+6−2x
2
−6x+5
=x
2
−4x+11
(ii) In order to get (2a
2
−b
2
−3c
2
+abc)from(a
2
+b
2
+c
2
−3abc) we need to:
(a
2
+b
2
+c
2
−3abc)−(2a
2
−b
2
−3c
2
+abc)
=a
2
+b
2
+c
2
−3abc−2a
2
+b
2
+3c
2
−abc
=a
2
+2b
2
+4c
2
−4abc
Answered by
0
Answer:
-4abc
Step-by-step explanation:
you know about water in the expression
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