What is the area of a rectangle whose length is 5f + 6 and breadth is 3f - 2?
15f² + 8f - 12
15f² - 8f - 12
15f² + 28f - 12
15f² - 28f - 12
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Answer:
15f² + 8f -12
Step-by-step explanation:
area of a rectangle = l*b
= (5f+6)*(3f-2)
= 15f² - 10f + 18f - 12
= 15f² + 8f - 12
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