9x=27 is the perimeter
perimeter is s1+s2+s3
each length is 3x+9
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▹ Answer
<em>D. 3x² + 13x - 56</em>
▹ Step-by-Step Explanation
(x + 7)(3x - 8) (<em>Using FOIL method)</em>
x * 3x - 8x + 7 * 3x - 7 * 8
3x² - 8x + 7 * 3x - 7 * 8
3x² - 8x + 21x - 56
3x² + 13x - 56
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
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Well, its increasing by 2262 so if we multiply that number by 2, it equals 4524.So the total would be 10,524. If I'm wrong, I'm sorry.
Answer:
no idea too hard but try math way
Step-by-step explanation:
