-3a(4a+10)-2(3a\Xb2+5a-7)

-3a(4a+10)-2(3a²+5a-7)

 

Answer:

=−18a²−40a+14

Step-by-step explanation:

(−3a)(4a+10)−2(3a²+5a−7)

=(−3a)(4a)+(−3a)(10)+(−2)(3a²)+(−2)(5a)+(−2)(−7)

=−12a²−30a−6a²−10a+14

Combine Like Terms:

=−12a²−30a−6a²−10a+14

=(−12a²−6a²)+(−30a−10a)+(14)

=−18a²−40a+14

#JuneChallenge


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