Question

Find the HCF of %20-%2010x" id="TexFormula1" title="5x {}^{2} - 125,x {}^{2} + 25and - 10x" alt="5x {}^{2} - 125,x {}^{2} + 25and - 10x" align="absmiddle" class="latex-formula">
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Answer 1

Answer:

Step-by-step explanation:

5x^2 - 125 factors into 5 (x^2 - 25)

x^2 - 25 factors into  (x + 5)(x - 5)

So the answer to this part is 5(x + 5)(x - 5)

x^2 -  10x + 25 factors into

(x - 5)(x - 5)

So the HCF is (x - 5)