Question

10 polinomios faciles

Answer 1

Respuesta:

1.- (x-2)(x+5)=$x^{2}$+5x-2x-10=$x^{2}$+3x-10

2.- (x+1)(x+5)=$x^{2}$+x+5x+5=$x^{2}$+6x+5

3.- (x-5)(x+3)=$x^{2}$+3x-5x-15= $x^{2}$-2x-15

4.- (x+4)(x+6)=$x^{2}$+6x+4x+24=$x^{2}$+10x+24

5.- (x-5)(x+4)=$x^{2}$ +4x-5x-20=$x^{2}$-x-20

6.- (x+9)(x-1)=$x^{2}$-x+9x-9=$x^{2}$+8x-9

7.- (x+8)(x-7)=$x^{2}$-7x+8x-56=$x^{2}$+x-56

8.- (x+7)(x-4)=$x^{2}$-4x+7x-28=$x^{2}$+3x-28

9.- (x-2)(x+6)=$x^{2}$+6x-2x-12=$x^{2}$+4x-12

10.- (x-4)(x+9)=$x^{2}$+9x-4x-36=$x^{2}$+5x-36