MATH SOLVE

2 months ago

Q:
# Which of the following is a factor of x3 + 343? A: x β 7 B: x2 β 14x + 49 C: x2 + 7x + 49 D: x + 7

Accepted Solution

A:

Answer:x + 7Step-by-step explanation:[tex]x^{3} +343[/tex]Since both terms are perfect cubes, factor using the sum of cubes formula, [tex]a^{3} +b^{3}[/tex] where a = x and b = 7(x + 7) (x - 7x + 49)