Add the given polynomial
(x3-2x2-9)+(5x3+2x+9)
Answers
Answered by
9
Answer:
=(x3-2x2-9) +(5x3+2x+9)
=X3-2x2-9+5x3+2x+9
=6x2-2x2+2x
Answered by
0
Answer:
2x (3x² --x + 1)
Step-by-step explanation:
x³-2x²-9 ; 5x³+2x+9 Add the given polynomial.
x³ --2x² --9
5x³ + 2x + 9
(x³ --2x² --9) + (5x³ + 2x + 9)
= x³ + 5x³ -2x² + 2x --9 + 9
= 6x³ - 2x² + 2x
= 2x (3x² --x + 1)
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