Sagot :
Answer:
Step-by-step explanation:
Correct option is
B
x
4
+9x
3
−3x
2
+7x+5
(x
4
+5x
3
+7x)+(4x
3
−3x
2
+5)
=x
4
+x
4
+5x
3
+4x
3
−3x
2
+7x+5
=x
4
+9x
3
−3x
2
+7x+5
Answer:
Step-by-step explanation:
Correct option is
B
x
4
+9x
3
−3x
2
+7x+5
(x
4
+5x
3
+7x)+(4x
3
−3x
2
+5)
=x
4
+x
4
+5x
3
+4x
3
−3x
2
+7x+5
=x
4
+9x
3
−3x
2
+7x+5