Simplify: 7x² + x(x + y – 1) – y(2x + 4) – 3(x – y -4)
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Given: 7x²+x(x+y-1) - y(2x+4) - 3(x-y-4)
To find: to simplify the problem
Step-by-step explanation:
7x² + x(x+y-1) - y(2x+4) - 3(x-y-4)
Expanding and then adding/ subtracting the like terms
= 7x² + x²+ xy -x - 2xy - 4y - 3x +3y+12
= 8x²-xy-4x-y +12
Answer: 8x²-xy-4x-y+12
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