<span>(a+b)(c+d)=ab+ad+bc+bd
(5k-4)(4k-5)=20k^2+-25k-16k+20=20k^2-41k+20
Hope this helps!</span>
Answer:
17/3
Step-by-step explanation:
or 5 2/3
Answer:
9
Step-by-step explanation:
Move the 6 to the other side which makes it to subtract meaning 2h=8-6
Then the ans will be 2h=2
Next move the 2 frm H to the other side which makes it to divide since near teh H it was in multiplication:
H=2/2
H=1 (answer)