Question

ecuaciones algebraicas

1) (5 + 2)(3 − 10 + 6)

2) (4z^3 − 3)(7z^3 + 8 − 5)

3) (9 + 6)(14 + 6)

Answer 1

Answer:

1)(5+2)(3-10+6)

(7)(-7+6)

7(-1)

=-7

$2)( {4z}^{3} - 3)( {7z}^{3 } + 8 - 5 ) \\ (64 {z}^{3} - 3)(343 {z}^{3} + 8 - 5) \\ 64 {z}^{3} - 3 + 343 {z}^{3} + 8 - 5 \\ 407 {z}^{3} - 3 + 3 \\ 407 {z}^{3} + 0 \\ 407 {z}^{3}$

3)(9+6)(14+6)

(15)(20)

300

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