can someone help me solve this multiplying polynomial question? it would really help, the screenshot is attached (:
1 answer:
Answer:
-20x³ + 0x² + 15x - 20
Step-by-step explanation:
I would have said it the other way.
"Multiply each term in the top row by -5."
4x³ + 0x - 3x + 4
<u>×(-5</u>) <u>×(-5</u>) <u>×(-5)</u> <u>×(-5)
</u>
-20x³ + 0x² + 15x -20
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I think it would be 186. hope it helps
P would then =6.64 by my calculations
The square root of 5 is √<span>5
</span><span>(Decimal: 2.236068)</span>
Answer:
you can just use formula for perpendicular in the second question
m1 . m2 = -1
Answer: the second one
Step-by-step explanation: