Faktorkan!. (1). x^2 – 144 = … (2). x^2 – 14x + 49 = … (3). x^2 + x – 30 = … (4). 2x^2 + 5x + 2 = … Tolong dibantu
Jawaban Terkonfirmasi
1) x^2 – 144 = (x + 12)(x – 12)
2) x^2 – 14x + 49 = (x – 7)(x – 7)
3) x^2 + x – 30 = (x + 6)(x – 5)
4) 2x^2 + 5x + 2 = (2x + 1)(x + 2)