Question

(x + 7) (x + 3)-5(2x + 4) x²
CON RESOLUCIÓN POR FAVOR​

Answer 1

Respuesta:

-10ײ+21ײ+10×+21

*ESPERO TE SIRVA

Answer 2

Respuesta:

[tex](x + 7)(x + 3) - 5(2x + 4) {x}^{2} [/tex]

[tex] {x}^{2} + 3x + 7x + 21 - 5(2x + 4) {x}^{2} [/tex]

[tex] {x}^{2} + 3x + 7x + 21 - 10 {x}^{3} - 20 {x}^{2} [/tex]

[tex] - 19 {x}^{2} + 3x + 7x + 21 - 10 {x}^{3} [/tex]

[tex] - 19 {x}^{2} + 10x + 21 - 10 {x}^{3} [/tex]

[tex]\huge\rm{\orange{\underline{\underline{ - 10 {x}^{3} - 19 {x}^{2} + 10x + 21 }}}}[/tex]

[tex] \boxed{ Espero \: Haberte \: Ayudado✓} [/tex]

Salu2