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aleksandr82 [10.1K]
3 years ago
8

Factor the expression. If the expression cannot be factored, say so.

Mathematics
1 answer:
tino4ka555 [31]3 years ago
8 0
Delta = 25 - 16 = 9 => \sqrt{Delta} = 3;
x_{1} = (-5 + 3)/4 = -1/2 and  x_{2} = (-5 -3)/4 = -2;;
=> 2x^{2} + 5x + 2 = 2(x+1/2)(x+2). = (2x+1)(x+2).

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