Question

solve using formula method for x square - 3 x is equal to minus 8​

Answer 1

Answer:

Step-by-step explanation:

x²-3x= -8

⇒x²-3x+8=0

⇒x= -b±√b²-4ac/ 2a

⇒x= {-(-3)±√(-3²)-(4×1×8)} ÷ 2

⇒x= {3±√9 - 32}÷2

⇒x= {3±√23} ÷ 2