anurdhsingh16 anurdhsingh16

25-08-2022
Mathematics

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7a2 - 5a + 2, 3a2 - 7, 2a + 9,1 + 2a - 5a2. find the sum of

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Medunno13 Medunno13

27-08-2022

Answer:

[tex]5a^2 -a+5[/tex]

Step-by-step explanation:

[tex]7a^2-5a+2+3a^2-7+2a+9+1+2a-5a^2 \\ \\ =(7a^2+3a^2-5a^2)+(-5a+2a+2a)+(2-7+9+1) \\ \\ =5a^2 -a+5[/tex]

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