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. Subtract the sum of 4X2 + 6X + 3 and 2x2 + 4x+ 9 from9x2 + 6x + 3 |
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Answer» ong>Answer: 3x^2 - 4x - 9 Step-by-step explanation: SUBTRACT the SUM of 4X2 + 6X + 3 and 2X2 + 4x+ 9 from 9x2 + 6x + 3 STEP 1 = 4x^2 + 6x +3 + 2x^2 + 4x + 9 = 4x^2 + 2x^2 + 6x + 4x + 3 + 9 = 6x^2 + 10x + 12 STEP 2 = 9x^2 + 6x + 3 - [ 6x^2 + 10x + 12 ] = 9x^2 + 6x + 3 - 6x^2 - 10x - 12 = 9x^2 - 6x^2 + 6x - 10x + 3 - 12 = 3x^2 - 4x - 9 this is the correct answer pls mark me as the brainliest thank you |
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