contestada

Can someone help me multiply (-2+square root of 7)(-2-square root of 7) and how to get the answer step by step

Respuesta :

Answer: -3

[tex](-2-\sqrt{7})(-2+\sqrt{7})=(-2).(-2)-2\sqrt{7}+2\sqrt{7}-7=4-7=-3[/tex]

Step-by-step explanation:

06kencle07969

Answer:

3

Step-by-step explanation:

Simply multiply the radicals to get the answer.

Otras preguntas