3 years ago

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

Mathematics

1 answer:

bija089 [108]3 years ago

8 0

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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