Answer:
A=1665
Step-by-step explanation:
An area of a rectangle is length times width or l*w=a
Answer:
5-√9/4 4-3√-16 3+2√-9➗7
Step-by-step explanation:
Answer:
![\boxed{\red{15 {x}^{2} + 11xy - 12 {y}^{2}}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cred%7B15%20%7Bx%7D%5E%7B2%7D%20%20%2B%2011xy%20-%2012%20%7By%7D%5E%7B2%7D%7D%7D%20)
Step-by-step explanation:
![\blue{(5x - 3y)(3x + 4y)} \\ \blue{5x(3x + 4y) - 3y(3x + 4y)} \\ \blue{15 {x}^{2} + 20xy - 9xy - 12 {y}^{2} } \\ \pink{= 15 {x}^{2} + 11xy - 12 {y}^{2} }](https://tex.z-dn.net/?f=%5Cblue%7B%285x%20-%203y%29%283x%20%2B%204y%29%7D%20%5C%5C%20%5Cblue%7B5x%283x%20%2B%204y%29%20-%203y%283x%20%2B%204y%29%7D%20%5C%5C%20%5Cblue%7B15%20%7Bx%7D%5E%7B2%7D%20%20%2B%2020xy%20-%209xy%20-%2012%20%7By%7D%5E%7B2%7D%20%7D%20%5C%5C%20%5Cpink%7B%3D%20%2015%20%7Bx%7D%5E%7B2%7D%20%20%2B%2011xy%20-%2012%20%7By%7D%5E%7B2%7D%20%7D)
Answer:
152
Step-by-step explanation:
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