will give medals!!! will fan!!!

7. Factor completely: m^2-12mn+20n^2
a. (m+10n)(m+2n)
b. (m-10n)(m+2n)
c. (m-10n)(m-2n)
d. (m+10n)(m-2n)

8. Factor completely: d^2-64
a. (d+8)(d+8)
b. (d-8)(d-8)
c. (d+8)(d-8)
d. (d+64)(d-64)

Question

will give medals!!! will fan!!!

7. Factor completely: m^2-12mn+20n^2 
a. (m+10n)(m+2n)
b. (m-10n)(m+2n)
c. (m-10n)(m-2n)
d. (m+10n)(m-2n)

8. Factor completely: d^2-64
a. (d+8)(d+8)
b. (d-8)(d-8)
c. (d+8)(d-8) 
d. (d+64)(d-64)

anonymous · Answer

Are these individual parts? Like each question has five parts?

anonymous · Answer

7.) use this: a^2 - 2ab + b^2 = (a-b)(a-b)

anonymous · Answer

Oh they're multiple choice

anonymous · Answer

8.) This is a perfect square. There is no b, there's just a and c, and c is a perfect square. So the square root of 64 is 8, so the solution should be...