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This is a quadratic equation question which will have two answers:
2x2+42 = x2+13x
2x2-x2-13x+42 = 0
x2-13x+42 = 0
Factorising the equation gives you:
(x-6)(x-7) = 0
Therefore: x = 6 or x = 7
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Earn +20 ptsQ: 2x2 plus 42 equals x2 plus 13x?
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Continue Learning about Math & Arithmetic
How do you factor 2x2 plus 13x 42?
The expression cannot be factorised.
42 plus X squared equals 13X?
42 + x2 = 13x ∴ x2 - 13x + 42 = 0 ∴ (x - 6)(x - 7) = 0 ∴ x ∈ {6, 7}
What is 42 plus 42 equals?
42 + 42 = 84
What plus what equals -84 but multiplies to 1764?
42 and 42
28 plus 42 equals?
28 + 42 = 70
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