Answer:
Option B
Step-by-step explanation:
As here,
In all the options processes in 3rd step .
<u>As</u><u> </u><u>the</u><u> </u><u>bases</u><u> </u><u>are</u><u> </u><u>same</u><u> </u><u>exponents</u><u> </u><u>get</u><u> </u><u>added</u><u>. </u>
And in Option B 3rd step it has been correctly done form of,

Is correct simplification.
Answer:
x = - 7
Step-by-step explanation:
( x + 139 ) and 132 are vertically opposite angles.
Vertically opposite angles are equal,
x + 139 = 132
x = 132 - 139
x = - 7
Answer:
No factors.
3 - x^2 is prime.
Step-by-step explanation: