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11-10-2019
Mathematics

contestada

Multiply each polynomial
1.). (x+5)(x+4)
2.). (x-7)(x-4)

Respuesta :

dstoyanov06p7vl9m dstoyanov06p7vl9m

11-10-2019

Answer:

1)x^2+9x+20

2)x^2-11x+28

1) explaination:x*x+4x+5x+5*4=)x^2+9x+20

2 explaination: x*x+-4*x+-7*x+-7*-4=)x^2-11x+28

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