Answer:
Y=9
Step-by-step explanation:
8y/8
72/8
=9
K=2 is the correct answer
Answer:
<em>a = 1 ; b = - 8 </em>
Step-by-step explanation:
x² + 2x - 7 = (x² + 2x + 1) - 1 - 7 =<u><em> (x + 1)² - 8 </em></u>
<em>a = 1 </em>
<em>b = - 8</em>
Answer:
2/5
Step-by-step explanation:
Divide the top and bottom by 18
36/90
36÷ 18 = 2
90 ÷18 = 5
36/90 = 2/5
Answer:
2x
Step-by-step explanation:
x2+7x=9
x+x+2+7=9
2x+9=9
=2