Question

Simplify: (4x2 + 7x + 7xy) - (8y - y2 - 4)​

Answer 1

Step-by-step explanation:

$(4 {x}^{2} + 7x + 7xy) - (8y - {y}^{2} - 4)$

$4 {x}^{2} + 7x + 7xy - 8y + {y}^{2} + 4$

$4 {x}^{2} + {y}^{2} + 7x - 8y + 7xy + 4$

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