Ryan wants to plant 1/5 packet of seeds in each row of his garden. Has has 4 packets of seeds. Ryan used the expression 1/5 ÷ 4 to find the number of rows he plant. Explain what is wrong with his expression. Then write an equation to show the correct number of rows.

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

2x+60=

step-by-step explanation: