" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 4x^2 - 4x - 4x + 4
= 4x^2 - 8x + 4
b. (4x - 2y)(4x - 2y)(4x - 2y)
= 64x^3 - 32x^2y - 32x^2y + 16xy^2 - 32x^2y + 16xy^2 +16xy^2 -8y^3
= 64x^3 - 96x^2y + 48xy^2 - 8y^3