Mathematics, 17.10.2020 04:01, 20vmiller

Which of these standard form equations is equivalent to (x + 1)(x − 2)(x + 4)(3x + 7)? A. x^4 + 10x^3 + 15x^2 - 50x - 56
B. x^4 + 10x^3 + 15x^2 - 50x + 56
C. 3x^4 + 16x^3 + 3x^2 - 66x - 56
D. 3x^4 + 16x^3 + 3x^2 - 66x + 56

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Which of these standard form equations is equivalent to (x + 1)(x − 2)(x + 4)(3x + 7)? A. x^4 + 10x...