plz tell me fast plz
plz tell 1
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0
Answer:
x³ -2x²+2x
Step-by-step explanation:
1. x³ - 2x² - 9 + 5x³ + 2x + 9 = 5x³ + x³-2x² +2x +9 -9
= x³ -2x²+2x
Answered by
3
Step-by-step explanation:
Given polynomials are:x³-2x²-9 and5x³+2x+9
on adding them
(x³-2x²-9)+(5x³+2x+9)
=>(x³+5x³)+(-2x²)+(2x)+(-9+9)
=>(1+5)x³-2x²+2x+0
=>6x³-2x²+2x
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