1.If (x-3)(x+4) identical to x square+px+q,where p &q are constants,find p and q.
Pls I want detailed solutions.
Encounter Maths Questions
2012-08-03 5:04 am
回答 (2)
2012-08-03 8:26 am
✔ 最佳答案
If (x－3)(x+4) identical to x^2+px+q，where p &q are constants，find p and qSol
(x－3)(x+4)
=x^2+4x－3x－12
=x^2+x－12
p=1，q=－12
2012-08-03 5:15 am
You can get the ans by comparing the coefficients of x.
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