Subtract x^2 – 3y^2 + 7y – 8 from 9x^2 – xy + y^2 + 5x – 3y *
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Step-by-step explanation:
can anyone say the answer please
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Answer:
+8x²-xy+4y²+5x-10y+8
Step-by-step explanation:
+9x²-xy+y²+5x-3y
+x²-3y²+7y-8
change the sign of the second row
+9x²-xy+y²+5x-3y
-x²+3y²-7y+8
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