Question

using idenity find this?​

Answer 1

here is your answer.thanks

Answer 2

HeRe Is Your Ans ⤵

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(A - B)³ = A³ - B³ - 3A²B + 3AB²

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${(4x - 7y)}^{3} + {(3z - 4x)}^{3} + {(7y - 3z)}^{3} \\ \\ {(4x)}^{3} + {(7y)}^{3} - 3 {(4x)}^{2} \times 7y + 3 \times 4x \times {(7y)}^{2} + {(3z)}^{2} - {(4x)}^{3} - 3 \times {(3z)}^{2} \times 4x + 3 \times 3z \times {(4x)}^{2} + {(7y)}^{3} - 3 \times {(7y)}^{2} \times 3z + 3 \times 7y \times {(3z)}^{2} \\ \\ 64 {x}^{3} - 343 {y}^{3} - 48 {x}^{2} \times 7y + 12x \times 49 {y}^{2} + 27 {z}^{3} - 64 {x}^{3} - 27 {z}^{2} \times 4x + 9z \times 16 {x}^{2} + 343 {y}^{3} - 27 {z}^{3} - 147 {y}^{2} \times 3z + 21y \times 9 {z}^{2} \\ \\ - 48 {x}^{2} \times 7y + 12x \times 49 {y}^{2} - 27 {z}^{2} \times 4x + 9z \times 16 {x}^{2} - 147 {y}^{2} \times 3z + 21y \times 9 {z}^{2} \\ \\ - 336 {x}^{2}y + 588x {y}^{2} - 108x {z}^{2} + 144z {x}^{2} - 441 {y}^{2} z + 189y {z}^{2}$

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