Question

X2 + 20 = 40 .... What is X​

Answer 1

Answer:

2x +20=40

=)2x=40-20

$= )x \: = \frac{20}{2}$

=) x =10

Answer 2

Answer:

10

Step-by-step explanation:

x2+20=40

20-40=x2

x2=20

20÷2=x

x=10