Question

PARA HOY SI SI NO SABEN NO RESPONDAN GRACIAS PERO EN SERIO SI NO SABEN NO RESPONDAN AYUDAAAAAAAAAAAAAA

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Answer 1

Explicación paso a paso:

1) (X + 2Y )²

X²+2X×2Y+2Y²

X²+4XY+4Y²

2) (4X + 5Y )³

(4X)³+3×(4X)²×5Y+3×4X×(5Y)²+(5Y)³

64X³+3×16X²×5Y+3×4X×25Y²+125Y³

64X³+240X²Y+300XY²+125Y³

3) (2m + 6n )⁴

$(2m + 6n) ^{2 + 2} \\ (2m + 6n) ^{2 } \times (2m + 6n) ^{2 } \\ (4 {m}^{2} + 24mn + 36 {n}^{2} ) \times (4 {m}^{2} + 24mn + 36 {n}^{2} ) \\ 16 {m}^{4} + 96 {m}^{3} n + 144 {m}^{2} {n}^{2} + 96 {m}^{3} n + 576 {m}^{2} {n}^{2} + 864m {n}^{3} + 144 {m}^{2} {n}^{2} + 864m {n}^{3} + 1296 {n}^{4} \\ 16 {m}^{4} + 192 {m}^{3} n + 864 {m}^{2} {n}^{2} + 1728m {n}^{3} + 1296 {n}^{4}$

4) (3X - 7Y )³

(3X)³-3×(3X)²×7Y+3×3X×(7Y)²-(7Y)³

27X³-3×9X²×7Y+3×3X×49Y²-343Y³

27X³-189X²Y+441XY²-343Y³

5) (8a - 9b )²

(8a)²-2×8a×9b+(9b)²

64a²-144ab+81b²

Espero haberte ayudado :D

Coronita plis uwu