demitremisby123 demitremisby123

03-07-2020
Mathematics

contestada

Add the polynomials: (-5 - 7x^2); (5 + 7x^3) *
0 - 14x15
O 10 + 14x^3
0 -7x^2 + 7x^3
OO

Respuesta :

Hrishii Hrishii

03-07-2020

Answer:

[tex] - 7 {x}^{2} + 7 {x}^{3} [/tex]

Step-by-step explanation:

[tex]( - 5 - 7 {x}^{2} ) + (5 + 7 {x}^{3} ) \\ = - 5 - 7 {x}^{2} + 5 + 7 {x}^{3} \\ = - 7 {x}^{2} + 7 {x}^{3} [/tex]

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