Question

xsquare-27+180=0 solve
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Answer 1

Answer:

x = -√153

Step-by-step explanation:

x² - 27 + 180 = 0

x² + 153 = 0

x² = -153

x = -√153

Answer 2

Answer:

Step-by-step explanation:

x² - 27x + 180 = 0

⇒x² - 12x - 15x + 180 = 0 (∵-12 × -15= 180, - × - = +, -12-15 = -27 )

⇒x ( x - 12 ) - 15 ( x - 12 ) = 0 ( ∵ - × - = +, + × - = - )

⇒(x - 12 ) ( x - 15 ) = 0

⇒x = 12 , x = 15

∴ x = 12 and 15 is the answer