Expanding the expression (х-4)(х+3):
х х + х 3 - 4 х - 4 3 = х^2 + 3x - 4x - 12
Combining like terms:
х^2 - x - 12 - 5
Simplifying further:
х^2 - x - 17
Expanding the expression (х-4)(х+3):
х х + х 3 - 4 х - 4 3 = х^2 + 3x - 4x - 12
Combining like terms:
х^2 - x - 12 - 5
Simplifying further:
х^2 - x - 17