Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
SAT Prep
/
Use special-product identities
Grade Level
SAT Prep
M103 Use special-product identities
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Which expression is equivalent to (3x - 5)(3x + 5) - (x - 5)
2
?
A
10x
2
+ 10x - 50
B
8x
2
+ 10x
C
8x
2
+ 10x - 50
D
8x
2
- 10x
Submit Answer