CPM Homework Help : CC4 Problem 10-71

Rewrite each of the following expressions without parentheses. Homework Help ✎
1. (x + 2)(x – 5)
2. (y + 2x)(y + 3x)
3. (3y – 8)(–x + y)
4. (x – 3y)(x + 3y)

Hint (a):

Review the Math Notes box in section 3.2.2

Hint (b):

Review the Math Notes box in section 3.2.2

Answer (b):

y² + 5xy + 6x²

Answer (c):

−3xy + 8x + 3y² − 8y

Hint (d):

Review the Math Notes box in section 3.2.2