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Polynomial Functions

State True or...

Question

State True or False:
On subtracting $- m^{2} + m + 4$ from $2 m^{2} + m + 1$ , the answer is $3 m^{2} - m - 1$ .

A

True

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B

False

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Solution

The correct option is B False
$W e c a n d i r e c t l y a d d t h e c o e f f i c i e n t s o f l i k e v a r i a b l e s, 2 m^{2} + m + 1 - (m^{2} + m + 4) ⟹ (2 - 1) m^{2} + (1 - 1) m + (1 - 4) = m^{2} - 3$

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