( 3.5x - 1.5y ) ² - ( 1.5x - 3.5x )²
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Answer:
On solving, we get...
(3.5x)²+(1.5y)²-2*3.5x*1.5y
-(-2.0x)²
12.25x²+2.25y²-10.5xy+2x²
14.25x²+2.25y²-10.5xy
Then solve the quadratic equation...
Hope it helps
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