Question

expand (2x+3y+4z)^2​

Answer 1

Answer:

4x2 +9y2 +16z2 +12xy +24yz+16xz

Step-by-step explanation:

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Answer 2

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$(2x + 3y + 4z) {}^{2} \\ (2x + 3y + 4z)(2x + 3y + 4z) \\ 2x(2x + 3y + 4z) + 3y(2x + 3y + 4z) + 4z(2x + 3y + 4z) \\ {4x}^{2} + 6xy + 8xz + 6xy + 9 {y}^{2} + 12yz + 8xz + 12yz + 16 {z}^{2} \\ {4x}^{2} + {9y}^{2} + 16z {}^{2} + 12xy + 24yz + 64xz$