Question

Check whether the given values are solutions of the given equation or not
x^2 - 3x+20=0 ; x = -2,11.​

Answer 1

Answer:

by putting the value of x=-2

(-2)^2-3 (-2)+20

4+6+20=30 x =-2 is not the solution

by putting the value of x=11

11^2-3 (11)+20

121-31+20

90+20=110 x=11is not the solution