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Solve for x and y. (a-b)x + (a+b)y = a²-2ab-b²(a+b)(x+y)=a²+b² |
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Answer» Answer: hey mate here your answer Step-by-step explanation: (a-B) X + (a + b) y = a² - 2ab - b²…………(1) (a + b) (x + y) = a² + b²……………………(2) Equation (2) can be written as (a + b)x+ (a+b) y = a² + b²………….(3) Now we have to SOLVE equation (1) and (3) (a-b) x + (a + b) y = a² - 2ab - b²,…………(1) (a + b)x+ (a+b) y = a² + b²………….(3) Subtracting equation (3) from (1) we get (a-b-a-b) x = a² - 2ab - b²- a² - b² -2b x = - 2ab -2 b² -2b x =-2b(a+b) dividing both sides by -2b x = a+b Now substitude x=a+b in equation (1) we get (a-b)(a+b) + (a + b) y = a² - 2ab - b² a² - b² + + (a + b) y = a² - 2ab - b² Subtracting a² - b² from both the sides (a + b) y = a² - 2ab - b² - a² + b² (a + b) y = - 2ab y = - 2ab /(a+b) Mari me BRAINLIEST |
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