Sagot :
(x+5) (x-5)
since the given are conjugates, multiply the first terms
(x) (x)
= x²
and, multiply also the last terms
(5) (-5)
= -25
the product is x²-25
since the given are conjugates, multiply the first terms
(x) (x)
= x²
and, multiply also the last terms
(5) (-5)
= -25
the product is x²-25