Solve the 1. x²+2x-15>0

answer:

42,206

Step-by-step explanation:

to check 42,206*2 os 8,4412

answer:

Step-by-step explanation:

Please google it on the internet

c:5 v:x

c:4 v:xy

c:3 v:ab

c:9 v:bc

c:8,15 v:xy

c:52,43 v:a,b

c:25,18 v:m

c:34,23 v:m,n

c:82,17,40 v:x,y

c:34,65 v:ab,bc

Step-by-step explanation:

c-constant

v-variable

if number then it's constant

if letter then it's a variable