Question

X square + 17 x + 72 = 0​

Answer 1

Step-by-step explanation:

x²+17x+72=0

x²+(9+8)x+72=0

x²+9x+8x+72=0

x(x+9)+8(x+9)=0

(x+9)(x+8)=0

now

x=-9,-8

Answer 2

Step-by-step explanation:

x^2+17x+72=0

.:x^2+9x+8x+72=0

.:x(x+9)+8(x+9)=0

.:(x+8)(x+9)=0

.:x+8=0,x+9=0

.:x= -8, x= -9

Answer:

Hence,x= -8,-9.