( − 2 x − 6 ) 2 = ( − 2 ( x + 3 ) ) 2 = ( − 2 ) 2 ⋅ ( x + 3 ) 2 = 4 ( x + 3 ) 2 = 4 y
To expand ( − 2 x − 6 ) 2 , use the squaring binomial formula, leading to 4 x 2 + 24 x + 36 . This involves calculating the square of each term, as well as the cross-term. The final result is 4 x 2 + 24 x + 36 .
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Membuat garis tebal pada setiap sisi sel. Umumya dipakai saat membuat tabel.