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Aleonysh [2.5K]
3 years ago
6

Evaluate the following expression: 4 + (3x +y) When x = 2 and y = 9

Mathematics
1 answer:
aev [14]3 years ago
5 0
3 x 2 is 6 after that you jus add 6+9+4 which is 19
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ax^2+bx+c=0\\\\x^2+7x+9=3\qquad|\text{subtract 3 from both sides}\\\\x^2+7x+9-3=3-3\\\\\boxed{x^2+7x+6=0\to A.}

a=1,\ b=7,\ c=6

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Step-by-step explanation:

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