It is A because you subsitute the x in the equation A) (2x-8)(7x+5)=0 x=4 x=5,7 (fraction)
subtitute the x now and you get
(2(4)-8)(7(-5,7)+5) = 0
Can you be more specific with the question
Step-by-step explanation:
<u>Missing reasons:</u>
- 1. Given
- 2. Definition of congruence
- 3. Linear pair postulate
- 4. Supplementary angles postulate
- 5. Definition of linear pair
- 6. Substitution property of equality
- 7. Supplementary angles postulate