Answer:
1.(3u-2)²
= (3u-2)×(3u-2)
• multiply each term using the FOIL method
3u×3u-3u×2-2×3u-2x(-2)
= 9u²-6u-6u+4
answer: 9u²-12u+4
2.(5z-5)²
= (5z-5)×(5z-5)
• use the FOIL method
= 5z×5z-5z×5-5×5z-5×(-5)
= 25z²-25z-25z+25
answer: 25z²-50z+25
Step-by-step explanation:
Hope it Helps(•‿•)
