Question

Add(1 ) x2 , 4x2 , −7x2

Answer 1

Step-by-step explanation:

2 + 8 + (-14)

10 - 14

-4

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Answer 2

Answer:

-2x^2

Step-by-step explanation:

${1x}^{2} + {4x}^{2} + ( { - 7x}^{2} ) \\ = {5x}^{2} - {7x}^{2} \\ = - {2x}^{2}$