x(x + 5y) - y - (4x² - 2xy + y² - 7y + 1)
= x² + 5xy - y - 4x² + 2xy - y² + 7y - 1
= (-3x²) + (7xy) + (-y²) + (6y) - 1
Maka, jawabannya adalah opsi d. -3x² + 7xy - y² + 6y - 1.
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x(x + 5y) - y - (4x² - 2xy + y² - 7y + 1)
= x² + 5xy - y - 4x² + 2xy - y² + 7y - 1
= (-3x²) + (7xy) + (-y²) + (6y) - 1
Maka, jawabannya adalah opsi d. -3x² + 7xy - y² + 6y - 1.