Here
2an-an=an
then (an-6)(an+8)
=asqnsq+8an-6an+48
=asqnsq+2an+48answer
sq is square and first We should add or subtract like terms
Answer:
Step-by-step explanation:
x+y=180; y+z=180
145+z=180
z= 35
y=180-35
y =145
x=180-145
x= 35
---------------------
2x-10=x+80
x=90
3y-4 =y+20
2y = 24
y = 12
Answer:
A. 3(5+x)
Step-by-step explanation:
if you multiply both 5 and x by 3(outside the parentheses), 3•5 is 15, and 3•x is 3x
So you types 8x3 then you add. This is because you use PEMDAS on these type of problems
