Expan and simplify (x+3) (x+5)

x= 3, x=5   or x^2 + 8x + 15

Step-by-step explanation:

(x+3)(x+5)

(x*x)(x*5)(3*x)(3*5)

x^2 + 5x + 3x + 15

x^2 + 8x + 15

x+3 = 0       x+5 = 0

   -3   -3         -5   -5

x= -3            x= -5

Distribute:

(+3)(+5)

(+5)+3(+5)

(+5)+3(+5)2+5+3(+5)

2+5+3(+5)2+5+3+15

Combine like terms:

2+5+3+152+8+15

Step-by-step explanation:

Its 6

Step-by-step explanation: