Which of the following are solutions to 2x^2 -8x -90
1 answer:
Please equate 2x^2 -8x -90 to zero: <span>2x^2 -8x -90=0
Next, reduce </span>2x^2 -8x -90=0 by div. all terms by 2: x^2 -4x -45=0
Next, factor the poly: (x-9)(x+5) = 0
Set each factor = to 0 and solve for x:
x-9=0 => x=9
x+5=0 => x= -5
You might be interested in
Answer:
0
Step-by-step explanation:
The answer is -1
Byee.........?..
2 significant digits should be represented in the product
Answer:
<h2>3 months</h2>
Step-by-step explanation: