Question

factorise=x2+x-290​

Answer 1

Answer:

x = -1±√1161/2

Step-by-step explanation:

x²+x-290

x = -b±√(b²-4ac)/2a

x = -1±√{(1²-4×1×(-290)}/2×1

x = -1±√(1+1160)/2

x = -1±√1161/2