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Faktorkan \(\dfrac{16}{25} - 4f^2\)
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Selisih Kuadrat \(a^2 - b^2 = (a + b)(a - b)\) Contoh 1 Faktorkan \(400 - 9b^2\) \begin{equation*} \begin{split} 400 - 9b^2 & = 20^2 - (3b)^2\\\\ 400 - 9b^2 & = (20 + 3b)(20 - 3b) \end{split} \end{equation*} Contoh 2 Faktorkan \(x^8 - y^8\) \begin{equation*} \begin{split} x^8 - y^8& = (x^4)^2 - (y^4)^2\\\\ […]
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The correct factor of \(576 - 4r^2\) is ... A. \((24 + 4r)(24 - 4r)\) B. \((23 + 2r)(23 - 2r)\) C. \((24 + 2r)(24 - 2r)\) D. \((24 + 2r)(24 + 2r)\)
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The correct factor of \(16y^2 - 9z^2\) is... A. \((4y - 3z)(4y + 3z)\) B. \((4y - 3z)(4y - 3z)\) C. \((8y - 3z)(8y - 3z)\) D. \((8y + 3z)(8y - 3z)\)
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The product of one more than a number and 4 less than the number is 24. Find the number(s)!
