Question

x2 + bx + c has factor x- 1 and x+ 2 then b+c= guys please tell fast ​

Answer 1

Answer:

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Answer 2

To factor a trinomial in the form x2 +bx +c,find two integers,r and s ,whose product is c and whose sum is b.Rewrite the trinomial as x2+rx+sx+c and then use grouping and distributive property to factor the polynomial.The resulting factors will be (x+r) and (x+s).