Question

Check whether the value given in the bracket is the root of the given equation or not
a)15=3-4x(x=-2)

Answer 1

Answer:

yes

Step-by-step explanation:

they are root of the equation

Answer 2

Answer:

x=-2 is not the root of the given equation

Step-by-step explanation:

a)15=3-4x

substituting x=-2

15=3-4(-2)

15=3+8

15-11=4 which is not equal to zero