Question

Answer:2x³+12x²+6x-10
please solve it with explanation if you solve this correctly I will follow you and markers as brainliest ​

Answer 1

Answer:

2x³+12x²+6x-10

Step-by-step explanation:

Given,

P=5x³+3x²-4x+1

Q=3x³+5x²+3x-8

R=6x³-4x²-7x+3

P+Q=5x³+3x²-4x+1+3x³+5x²+3x-8 = 8x³+8x²-x-7

So, (P+Q)-R= (8x³+8x²-x-7)-(6x³-4x²-7x+3)

                  = 8x³+8x²-x-7-6x³+4x²+7x-3

                  = 2x³+12x²+6x-10

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