Question

factarize x^2+19x+60​

Answer 1

Step-by-step explanation:

D = b²-4ac

= 19² -4×60

= 361 -240

=121

x= -b +-√D/2a

= -19+11/2 and -19-11/2

= -4 and -15

x² +19x +60

= x² +4x+15x +60

=x(x+4)+15(x+4)

=x+15 and x+4

x= -4 and -15