Respuesta :
Answer:X^2 =-14
Step-by-step explanation: X to the power of 2+ X•X is 2x+X to the second power and then 2x+-14 so X to the second power equals -14
F.O.I.L.
First, Outside, Inside, Last
First: X•X=X^2
Outside: X•7=7X
Inside: -2•X=-2X
Last: -2•7=-14
X^2+7X-2X-14
Now combine like terms
Answer=
X^2+5X-14
First, Outside, Inside, Last
First: X•X=X^2
Outside: X•7=7X
Inside: -2•X=-2X
Last: -2•7=-14
X^2+7X-2X-14
Now combine like terms
Answer=
X^2+5X-14
