page 15
What can be multiplied to x-2 to give a product containing the term -3x2? Find the polynomial
train up mathematics s1 to s2
2009-07-09 2:00 am
回答 (1)
2009-07-11 11:10 pm
✔ 最佳答案
我知呀page 15
What can be multiplied to x-2 to give a product containing the term -3x2? Find the polynomial
ANS: Let P(x) = ax^ +bx+c,
P(x) x (x-3)
=(ax` +bx^ +cx)- (2ax^+ 2bx+2c)
=ax^+(b-2a)x^+(c-2b)x-2c
^等於2次方
`等於3次方
參考: me
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