1. 4x^2 + x - 3 = ? 2. ( p^4 - 1 ) p + 2 ( p^4 - 1 )= ? 3. 9 ( x + y/3)^2 - 30x - 10y + 25 = ? 4. 6 - 7/4p - 5/16p^2 =? 5. Jika k = 2p^2 - 0,6p - 3,6 maka fakto

[tex]1)4 {x}^{2} + x - 3 = (4x - 3)(x + 1) \\ 2)( {p}^{4} - 1)p + 2( {p}^{4} - 1) = \\ misalkan. y= {p}^{4} - 1 \\ maka. \\ yp + 2y = 0 \\ yp = - 2y \\ p = - 2 \\ jdi. \: {p}^{4} - 1 = - 2 \\ ( {p}^{2} - 1)(p {}^{2} + 1) = - 2 \\ {p}^{2} - 1 = - 2 \\ {p}^{2} = - 1 \\ = 1 \: atau \\ {p}^{2} + 1 = - 2 \\ {p}^{2} = - 3 \\ p = \sqrt{ - 3} (tidk \: memenuhi)[/tex]
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