To find the length of the rectangle, use 45x2 − 42x − 48 as the and 5x − 8 as the .
To find the length of the rectangle, use 45x2 − 42x − 48 as the and 5x − 8 as the .
9x - 489x - 239x - 69x + 6
-7x² - 14x-7x² - 6x9x² - 14x9x² - 6x
-18x - 72x + 3-2x + 56x + 5
-14x and 12x² are not like terms, so they can’t be subtracted.To prevent this error, be sure to line up like terms.
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