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x2 + 2x - 15 = (x - 3)(x + 5)
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X2 plus 6x plus 8 equals?
The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)
What is X2 plus 10x plus 21 equals?
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X2 plus 3x plus 10 equals 0?
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What is x2 plus 7x equals - 2x2 plus 6 in the form ax2 bx c equals 0?
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