(x² + 4x - 45)/(x² + 10x + 9)
<span>
Numerator = N = x² + 4x - 45 </span>
= x² + 9x - 5x - 45
= (x² + 9x) - (5x + 45)
= x(x + 9) - 5(x + 9)
= (x + 9)(x - 5)
<span>
Denominator = D = x² + 10x + 9 </span>
= x² + x + 9x + 9
= (x² + x) + (9x + 9)
= x(x + 1) + 9(x + 1)
= (x + 1)(x + 9)
<span>
Hence, the given expr. = N/D </span>
= {(x + 9)(x - 5)}/{(x + 1)(x + 9)
= (x - 5)/(x + 1)
<span>
Restrictions : x ≠ - 1, x = 5 </span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
Answer:
42.75
Step-by-step explanation:
area of one piece, length x width: 3 x 4 3/4
14.25
area of 3 pieces: 14.25(3)= 42.75
Answer: your answer for the equation: ((5.4) x (2.4) = 12.96
for the second one it would be ((1.67) x (3.5) = 5.845
~I hope this is correct and has helped you, have a great day/night~
Step-by-step explanation:
