we know that

we have

substitute the value of
in the expression above

therefore
<u>the answer is</u>

1/4×8/8= 8/32 5/8×4/4= 20/32
8/32 + 20/32 = 28/32
answer for A is 28/32
answer for B is they can help you find a common denominator by the bottom one of each fraction if the top one don't have the same denominator. ☺
Answer:8
Step-by-step explanation:12-4=8
Step-by-step explanation:
2x^2 - 4x - 8 = 0
x^2 - 2x - 8 =0
