Math, asked by patelchetana67, 11 months ago

factorize : x ² -15x + 54​

Answers

Answered by ItSdHrUvSiNgH
6

 {x}^{2}  -  15x + 54 \\  here... \\ a = 1 \\ b =  - 15 \\ c = 54\\ x =  \frac{ - b +  \: or \:  -  \sqrt{  {b}^{2}  - 4ac} }{2a}  \\ x =  \frac{ - 15 +  \: or \:  -  \sqrt{225 - 216} }{2}  \\ x =  \frac{ - 15 +  \: or \:  - 3}{2}  \\ x =  \frac{ - 15 - 3}{2}  \:  \:  \:  \:  \: or \:  \:  \:  \:  \:  \:  \frac{ - 15 + 3}{2}  \\ x =  - 9 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: or \:  \:  \:  \:  \:  \: x =  - 6

Answered by saritadhoot
0

Answer:

54x2

x2 +9x+9x+54

x(x+9)6(x+9)

x+6=0 or x+9=0

x=-6 or x=-9

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