alleryExpanding (x + 3)(x + 5) gives which polynomial expression?
Ax^2 + 8x + 15
Bx^2 + 15x + 8
Cx^2 + 8x + 8
Dx^2 + 15x + 15
Answer & Solution
Correct answer: A. x^2 + 8x + 15
Applying the distributive law yields x^2 + 5x + 3x + 15 which simplifies to x^2 + 8x + 15.
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