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What are the zeros of P(m) = (m2 – 4)(m2 + 1)?

User Vishnu
by
8.3k points

1 Answer

3 votes

Answer:

m=4, -1

Explanation:

if i am interpreting this correctly, you are wanting to find at what value of m would the solution be zero.

so, there are two expressions that can cause an answer of 0.

1) if 0=m2-4

so solve for m2, and you get 4=m2

2) if 0=m2+1

solve for m2, and you get -1=m2

you can check your work by plugging the values back into the equation.

P(m)=(4-4)(4+1)

=(0)(5)

=0

and

P(m)=(-1-4)(-1+1)

=(5)(0)

=0

User Dpren
by
8.3k points

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