Solution is attached. İf right I'm happy
The equation X^3+3x^2 + 5x+15 = 0 Has how many solutions
1 answer:
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Remember 
so since they're all being multiplied, just add the exponents and see which one doesn't add to 2
A. -3+5-2+2=2+0=2, yep
B. -9+0+2+5=-9+7=-2, nope
C. -3-1+1+5=-4+6=2, yep
D. -5+9-2+0=4-2=2, yep
answer is B
so since they're all being multiplied, just add the exponents and see which one doesn't add to 2
A. -3+5-2+2=2+0=2, yep
B. -9+0+2+5=-9+7=-2, nope
C. -3-1+1+5=-4+6=2, yep
D. -5+9-2+0=4-2=2, yep
answer is B
Answer:
Step-by-step explanation:
we have
Solve for n
That means-----> isolate the variable n
Divide by both sides