Question

Solve the polynomial inequality graphically. 3x^{4}-5x^{3}-12x^{2}+12x+16

Polynomial graphs
ANSWERED
asked 2020-10-21
Solve the polynomial inequality graphically. \(\displaystyle{3}{x}^{{{4}}}-{5}{x}^{{{3}}}-{12}{x}^{{{2}}}+{12}{x}+{16}\)

Answers (1)

2020-10-22

Step 1
We graph the left-hand side of the inequality and find x-intercepts at \(\displaystyle{x}=-{\frac{{{4}}}{{{3}}}},{x}=-{1},{x}={2}\):
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