Question

How do I solve this?​

Answer 1

Good morning ☕️

Answer:

$(x+\frac{7}{2} )^{2} -\frac{69}{4}$

Step-by-step explanation:

$x^{2} +7x-5=(x+\frac{7}{2} )^{2} -(\frac{7}{2})^{2} -5\\\\=(x+\frac{7}{2} )^{2} -((\frac{49}{4})+\frac{20}{4}) \\\\=(x+\frac{7}{2} )^{2} -\frac{69}{4}$

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