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Find the value of the expression m4 - m3 - 2m2 + 10m + 15 when m = -3.
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Find the value of the expression m4 - m3 - 2m2 + 10m + 15 when m = -3.

User Therightstuff
by
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2 Answers

3 votes
In this case sense its m= -3 then your answer is -6 
User Trever
by
8.2k points
2 votes
Since we already know the value of m, this one is easy to solve. All we have to do is substitute in a -3 for every m in the equation.

m4-m3-2m2+10m+15
(-3)4-(-3)3-2(-3)2+10(-3)+15
-6

When m= -3, this expression equals -6.
User Binary Birch Tree
by
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