Turn into a trinomial

(9x+1)^2

(9x+1) (9x+1)

FOIL

First 9x*9x = 81x^2

outer: 9x*1 =9x

inner 1*9x = 9x

last 1*1 =1

add them together

81x^2 +9x+9x+1

combine like terms

81x^2+18x +1

£56

step-by-step explanation:

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

tap for more

m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0