Question

Combine LIKE TERMS
1)31x+7-82x+5+11x
2)-x²+9x²-3x+7x³-8x​

Answer 1

Answer:

1) (31x+11x-82x)+(7+5)

= (-40)+(12)

2) (-3x-8x)-(x²+9x²)+(7x³)

= (-11x)-(10x²)+(7x³)

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