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OpenStudy (therealmeeeee):
help? xD Multiply and simplify: 2a(5a2 + 3a – 17) A. 7a2 + 5a – 15 B. 7a3 + 5a2 – 15a C. 10a3 + 6a2 – 34a D. 10a2 + 6a – 34
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OpenStudy (anonymous):
The answer would be C
OpenStudy (therealmeeeee):
Explain? please
OpenStudy (anonymous):
Since 2a is multiplied by all of the other parts of the equation, the answer would be (2a x 5a2) + (2a x 3a) + (2a x -17)
OpenStudy (anonymous):
2a x 5a^2 is 10a^3 since whenever you multiply variables together. For example, this can be thought of as 2 x a x 5 x a x a Same concept for the others
OpenStudy (therealmeeeee):
Thanks xD
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