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Mathematics, 18.03.2021 03:00 DrLIFE751

If B = -m +1 - 9m2 and A = m + 9, find an expression that equals 2B – 2 A
in standard form.

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If B = -m +1 - 9m2 and A = m + 9, find an expression that equals 2B – 2 A
in standard form....
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