Question

(X+4).(X-2)+3=
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Answer 1

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(x+4)(x-2)+3
x²-2x+4x-8+3
x²+2x-5

Usando Bhaskara$\frac{-2+- \sqrt{2^2-4*1*(-5)} }{2*1}= \frac{-2+-2 \sqrt{6} }{2}$

x1=$\frac{-2+2 \sqrt{6} }{2}= 1,45$
$x2= \frac{-2-2 \sqrt{6} }{2}=-3,45$