2 years ago

Please help !!

Mathematics

1 answer:

Bas_tet [7]2 years ago

4 0

Answer:

C, x^3+x^2−7x−15

Step-by-step explanation:

=(x+−3)(x^2+4x+5)

=(x)(x^2)+(x)(4x)+(x)(5)+(−3)(x^2)+(−3)(4x)+(−3)(5)

=x^3+4x^2+5x−3x^2−12x−15

=x^3+x^2−7x−15

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