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Subjects>Math>Math & Arithmetic

What is 20x2 equals 41x plus 9?

Updated: 12/23/2022

Wiki User

∙ 13y ago

Best Answer

20x2 = 41x+9

20x2-41x-9 = 0

(5x+1)(4x-9) = 0

Therefore: x = -1/5 or x = 9/4

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∙ 13y ago

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What is 12 plus 9 equals?

12 plus 9 equals 21.

If 2 plus 3 equals 10 and 7 plus 2 equals 63 and 6 plus 5 equals 66 and 8 plus 4 equals 96 and 8 plus 4 equals 96 then 9 plus 7 equals?

144 9+7 = 16 and 9*16 = 144

IF 2 plus 3 equals 10 7 plus 2 equals 63 6 plus 5 equals 66 8 plus 4 equals 96 THEN 9 plus 7 equals?

The answer is 144. The compound operator for (a) and (b) in each pair is a * (a+b). For 9 and 7, this is 9 x (9+7) = 9 x 16 = 144.

13 equals negative 4x plus 9?

The answer to the problem of 13 equals -4x plus 9 is x equals -1.

-7n plus 2n plus 9 equals?

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If I am correct, 9 plus 7 equals 112.

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IF 2 plus 3 equals 10 7 plus 2 equals 63 6 plus 5 equals 66 8 plus 4 equals 96 THEN 9 plus 7 equals?

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