Question

Simplify the expression below -%20%7D%5E%7B2%7D%20%20-%205z" id="TexFormula1" title="7x { - }^{2} - 4z + 8x { - }^{2} - 5z" alt="7x { - }^{2} - 4z + 8x { - }^{2} - 5z" align="absmiddle" class="latex-formula">
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Answer 1

Answer: -9z + 15/x^2

The correct answer is -9z + 15/x^2 when simplified

Hope this helps =)