Math, asked by yoshidablacksheep, 8 months ago

if P=17x³+15x²-7x+9,Q=-10x³-5x²+2x+1 and R=11x³-6x²+5x+10 then find P-(Q+R).....pls help I'll mark u brainlest

Answers

Answered by DakshMaahor

3

Answer:

P-(Q+R)

= (17x³+15x²-7x+9)-[(-10x³-5x²+2x+1)+(11x³-6x²+5x+10)]

= (17x³+15x²-7x+9)-[-10x³-5x²+2x+1+11x³-6x²+5x+10]

= (17x³+15x²-7x+9)-[x³-11x²+7x+11]

= 17x³+15x²-7x+9-x³+11x²-7x-11

= 16x³+26x²-14x-2

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