Mathematics, 05.02.2020 10:50, jade611135

After being rearranged and simplified, which of the following equations could
be solved using the quadratic formula? check all that apply.
a. 5x + 4 = 3x^4 - 2
b. -x^2 + 4x + 7 = -x^2 - 9
c. 9x + 3x^2 = 14 + x-1
d. 2x^2 + x^2 + x = 30

Answers: 3

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After being rearranged and simplified, which of the following equations could
be solved using...