Verified Answer :

−4x2−5(x+3)+x2= -8-5x-15+2x=-3x-23
−4x2−5x−15=-8x-5x-15=-13x-15
−3x2−5x−15=-6x-5x-15=-11x-15
−9x2−15=-18x-15
i simplified assuming it's an "x"-sign not multiplication
hope this helps 

Answer:

Option 2nd is correct

\(-3x^2-5x-15\)

Step-by-step explanation:

The distributive property says that:

\(a \cdot (b+c) = a\cdot b+ a\cdot c\)

Given the equation:

\(-4x^2-5(x+3)+x^2\)

Combine like terms;

\(-3x^2-5(x+3)\)

Apply the distributive property we have;

\(-3x^2-5x-15\)

therefore, the simplified form for the given equation is:

\(-3x^2-5x-15\)

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