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Earn +20 ptsQ: 2x1 plus 3x2 plus 7x3 equals 12?
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What is two over seven times one over three?
2/7 x 1/3 = (2x1) / (7x3) = = 2/21
7 times 3 equals?
7x3=21
What times what equals twenty-one?
7x3=21
What is the answer to 3x4 7x3 4x2 equals 0?
The four solution values of x of 3x4 + 7x3 + 4x2 = 0 are: x = -11/3, -1, 0 (repeated) 3x4 + 7x3 + 4x2 = 0 ⇒ x2(3x2 + 7x + 4) = 0 ⇒ x2(3x + 4)(x + 1) = 0 ⇒ x2 = 0 → x = 0 (repeated) or (3x + 4) = 0 → x = -4/3 = -11/3 or (x + 1) = 0 → x = -1
What times what equals -21?
How about: 3 times -7 = -21
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