Question 01 Form 3 Expand \((5x - 4y - 3z)^2\) Show Solution \begin{equation*} \begin{split} &[5x + (-4y) + (-3z)]^2\\\\ &(5x)^2 + (-4y)^2 + (-3z)^2 + 2(5x)(-4y) + 2(5x)(-3z) + 2(-4y)(-3z)\\\\ &25x^2 + 16y^2 + 9z^2 - 40xy - 30xz + 24yz \end{split} \end{equation*} Basic Concept (Prev Lesson) (Next Lesson) Question 02 Kembali ke Form 3