Question

Find the value of x when b=5 and C=2 in the following formula x=2(b-c2)

Answer 1

assuming that c2 means c squred or c to second power

sub
x=2(5-2^2)
PEMDAS
parenthasees first
insid there is an exonent
first do that
2^2=4
now we have

x=2(5-4)
simplify
x=2(1)
multiply
x=2


th value of x is 2