I/3 of 123 is 41
41 dollars are taken off, so 123-41=82
the sale price is 82 dollars
5x⁴ - 3x³ + 6x) - (3x³ + 11x² - 8x)<span>
</span>Expand the second bracket by multiplying throughout by -1
5x⁴ - 3x³ + 6x - <span>3x³ - 11x² + 8x
</span>
Group like terms and simplify
5x⁴ - 3x³ - 3x³ - 11x² + 6x <span>+ 8x
</span>5x⁴ - 6x³ - <span>11x² + 14x</span>
In its normal way, For example: 214, Write it in the way it is Usually written.
x is equal to - 2/3 after collecting like terms
