Question

x2 - 4x + 45 Jo 20 cancer jald se jald abhi dega usko like and share kar dunga​

Answer 1

Step-by-step explanation:

x²-4x+45 =0

x²+5x-9x+45=0

x(x+5)-9(x-5) =0

(x-9) (x-5) =0

x-9=0; x-5=0

x=9; x=5

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Answer 2

pattern to yhi h bas sign check kr lo plz vo glt ho skte h