Question

ctivity 6
A. Perform the indicated operations and simplify your answer:
=
1. (m-6)(m+8)
2. (25+3)(s+9)
3. (3a+2y) (3a-2y) =
4. (a+b-c)
5. (2c-a)(c2+2C+3) =
6. (x-7)(x2+3x-1) =
[2m+(4n+p)][2m-(4n+p)] =
8. (4y+1)(16y2-4y+1) =
7.
unur solution and write your final answer inside the box.​

Answer 1

1. (m-6)(m+8)= m²-6m+8m-48=m²+2m-48
2. (25+3)(s+9)= 25s+3s+225+27=28s+252
3. (3a+2y)(3a-2y)=(3a²-2y²)=9a²-4y²[using identity (a-b)(a+b)=(a²-b²)
4. (a+b-c)
5. (2c-a)(c²+2c+3)= 2c³-ac²+2c²-2ac+6c-3a= 2c³+ac²-2ac+6c-3a
6. (x-7)(x²+3x-1)= x³-7x²+3x²-21x-x+7= x³-4x²-22x+7
7. [2m+(4n+p)][2m-(4n+p)]=[2m²-(4n+p)²]= 4m²-(16n²+p²+8np)= 4m²-16n²-p²-8np
8. (4y+1)(16y²-4y+1)= 64y³+16y²-16y²-4y+4y+1= 64y³+1