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x2 - 2x + 12 = 5x + 2

rearrange & group all term on one side (i.e, subtract 5x & 2 from both sides) & you'll get the following equation:

x2-7x+10 = 0

what two factors of +10 added together equals -7, (-5,-2), so

(x-5)(x-2) = 0

so, x=5 & x=2

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13y ago

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