Math, asked by pt841871, 7 months ago

The sum
of a 2, 5a2, and - 9a2 is:​

Answers

Answered by sree5010
2

Answer:

Sum of 4a2 + 3 – 8a and 9a – 7

= 4a2 + 3 – 8a + 9a – 7 = 4a2 + a – 4

∴ (4a2 + a – 4) – (-5a2 – 3a + 1)

= 4a2 + a – 4 + 5a2 + 3a – 1

= 4a2 + 5a2 + a + 3a – 4 – 1

= 9a2 + 4a – 5

Step-by-step explanation:

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Answered by shivamkumar8789
0

Answer:

-3a^2

Step-by-step explanation:

a^2+5a^2+9a^2

= -3a^2

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