Answer:
i think c. sorry if its wrong
Step-by-step explanation:
Rewrite and factor 9 and 21;
3•3+3•7= 3(3+7)
GCF for 9 and 21 is 3
Answer:
Step-by-step explanation:
46,818
Step-by-step explanation:
1.
2.
Welcome
<span>Let's say e=a^2−b^2 and take each affirmation:
a. </span><span>both coefficients are perfect squares.
</span><span>a could be equal to 2 which is not a perfect square
b. </span><span>there are only two terms - obviously yes
</span><span>
c. </span>both terms have negative coefficients - as we can see just b has a negative <span>coefficient
Final answer b. </span><span>there are only two terms.</span>
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