Answer:
80in 2
Step-by-step explanation:
25x²y² - 100
= 25(x²y² - 4)
= 25(xy + 2)(xy - 2)
1) 2x=4x-8
2) 4(x+2)=20
3) 2x-9=4(x+5)
3k + 2k - 6 = 8k + 3
8k - 3k - 2k = - 6 - 3
8k - 5k = -9
3k = - 9
k = - 9/ 3
K = - 3
Hope it will help you :)
