Math, asked by harshthakur09872, 9 hours ago

Subtract (4a2 + 7a + 9) from (10a2 - 12).

Answers

Answered by mahi1jain222

0

Answer:

102-12=90

90a (4+7+9)=20

Answered by ashokvij1973

0

Answer:

6a2-7a-21

Step-by-step explanation:

(4a2 + 7a + 9) from (10a2 - 12).

(10a2-12) - (4a2+7a+9)

10a2-12-4a-7a-9

(10a2-4a2)-7a+(-12-9)

6a2-7a-21

please mark as brainliast answer

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