Explanation:
given,
length = 30x + 7
width = 3x - 27
we know,
area = length × width
so, after inserting the values we got,
→ (30x + 7) (3x - 27)
→ 30x( 3x - 27 ) + 7( 3x - 27)
→ 90x² - 810x + 21x - 189
→ 90x² - 789x - 189
therefore required area of the given rectangle is 90x² - 789x - 189.
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