Question

Multiply and simplify: (5y - 2)2

Answer 1

just distribute

Answer 2

\[(5y-2)^2\]?

Answer 3

A.25y2 - 4
B.25y2 + 4
C.25y2 - 10y - 4
D.25y2 - 20y + 4

Answer 4

\[(5y-2)^2=(5y-2)\times(5y-2)\]\[\qquad\qquad=5y\times(5y-2)-2\times(5y-2)\]\[\qquad\qquad=(5y\times5y)+(5y\times-2)+(-2\times5y)+(-2\times-2)\]

Answer 5

\[(a+b)^2 = a^2 - 2ab + b^2\]

Substitue a and b in the equation, and you get your answer :D

Answer 6

STILL NEED HELP

Answer 7

it is 25y2-20y+4

Answer 8

ie option d

Answer 9

Where are you stuck ?

Answer 10

IS THE ANSWER
A.
B.
C.
D.????

Answer 11

yes D is correct