Question

using splitting of middle term split the polynomial x square - 5 x minus 5​

Answer 1

Hey mate ,

x^2 - 5x - 5

d = b^2 -4ac

= 25+20

= 45

√D = √45 = 3√5

x = -b+-√D / 2a

= 5 +-3√5 /2

= 5+3√5 /2 or 5-3√5 /2

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