Question

write the coefficient of x in x + 5 whole square​

Answer 1

Answer:

(x+5) ^2=x^2+25+10x

therefore the coefficient of x will be 10

Answer 2

using identities we will find it.....

(a+b)² =a²+b²+2ab

x²+5²+2x×5

x²+25+10x

standard form : x²+10x+25

so the coffient of x in (x+5)² is 10

plz mark my answer as brainlilist