jika l15y-61=l7y+18 nilai y yang memenuhi adalah
(15y -6)² = (7y+18)²
225 y² - 180y + 36 = 49y² + 252 y + 324
176 y² - 432 y - 288 = 0
11y² - 27 y - 18 = 0
(11 y - 6)(y + 3) = 0
y= 6/11 atau y = - 3
[answer.2.content]100 Sight Words Kindergarten Workbook Ages 4-6: A Whimsical Learn to Read & Write Adventure Act
100 Sight Words Kindergarten Workbook Ages 4-6: A Whimsical Learn to Read & Write Adventure Act
(15y -6)² = (7y+18)²
225 y² - 180y + 36 = 49y² + 252 y + 324
176 y² - 432 y - 288 = 0
11y² - 27 y - 18 = 0
(11 y - 6)(y + 3) = 0
y= 6/11 atau y = - 3
[answer.2.content]