multiply (10-3a)(7+a)
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1
Answer:
70+10a-21a-3a^2
70-11a-3a^2
Step-by-step explanation:
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Answered by
1
(10-3a)(7+a)
10*7+10*a-3a*7-3a*a
70+10a-21a-3a^2
3a^2-11a+70
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