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# HEELLLPP

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x^2+4x-5x^2-1

Guest Feb 21, 2017
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### 2+0 Answers

#1
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x^2+4x-5x^2-1

You have to look for commmon terms

4x^2+4x-1

And you have a cuadratic equation

Guest Feb 21, 2017
#2
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+1

x2+4x-5x2-1

= -4x2 + 4x - 1

$$-4(x^{2}-x+\frac{1}{4})$$

$$-4(x - \frac{1}{2})(x - \frac{1}{2})$$

$$-4(x - \frac{1}{2})^{2}$$

hectictar  Feb 21, 2017

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