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Factoring by GCF, DOTS, SOC and DOC

Quiz by Gina Lontoc

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6 questions

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Q1
30s
Q2
30s
Q3
30s
Q4
Which of the following are correct?
$16a^2-25b^2\ =\ \left(4a-5b\right)\left(4a-5b\right)$
$16a^2-25b^2\ =\ \left(4a+5b\right)\left(4a-5b\right)$
$16a^2-25b^2=\left(4a+5b\right)\left(4a+5b\right)$
$16a^2-25b^2\ =\ \left(a+b\right)\left(16a-25b\right)$
30s
Q5
30s
Q6
30s

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