simplify the following (y square+2y+2)(y square-2y+2)
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Answer:
y⁴-4y²-4y-4
Step-by-step explanation:
[y² +(2y+2)][y²-(2y+2)] = (y²)² -(2y+2)²
[since (a+b)(a-b)=a²-b²]
=y⁴-(4y²+4y+4) = y⁴-4y²-4y-4
[since (a+b)² = a² + 2ab + b² ]
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