Question

find the zero of the polynomial 5x+4​

Answer 1

$\sf\bigstar\pink{ \ A \ linear \ equation \ has \ only \ one \ zero.}$

$\tt{⟹ \ 5x \ + \ 4 \ = \ 0}$

$\tt{⟹ \ 5x \ = \ - \ 4}$

$\tt{⟹ \ x \ = \ - \ 4/5 }$

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• Note: In general; if P(x) is a polynomial in x and k is any real number, then the value of P(k) at x = k is denoted by P(k) is found by replacing x by k in P(x).

• For a polynomial P(x), real number k is said to be zero of polynomial P(x), if P(k) = 0

Answer 2

Answer:

x = -⅘

Step-by-step explanation:

p(x)= 5x+4=0

p(x)= 5x= -4

p(x)= -⅘