Answer by JKismyhusbandbae: x < - 4 or x > 16
(Work is in picture)
Factor using grouping: x³+ 3x² + 5x = 15
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1) Solving in terms of h
V = lwh <em>Divide both sides by h</em>
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So rearranging that equation we can find h, in terms of V, and l and w.
If we want to solve in terms of l, or w, we'll proceed similarly to isolate the variable we want on the left side, and the other terms on the right side.