Fernando and Risa are factoring 5x^{2}-x-6. They each made a cha

lwfrgin

lwfrgin

Answered question

2021-08-07

Fernando and Risa are factoring 5x2x6. They each made a chart below and selected a pair of integers. Which student is correct? Explain your reasoning.
Fernando:
Factorssum1.651.652.31
Risa:
Factorssum3.1073.1075.61
Who is correct?

Answer & Explanation

Fatema Sutton

Fatema Sutton

Skilled2021-08-08Added 88 answers

Step 1
Function is
5x2x6
5x2+5x6x6
5x(x+5)6(x+5)
(5x6)(x+5)
Hence factor are -5 and 65
Step 2
None of them are correct became corred factors are -5 and 65 with sum =4.8

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