Question 4(a)IfA-2x2 _ 5 + 3x,B-4f-3r + 8 and Cx2 + 6x + 7, find A + 2 – InterviewSolution

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1.	Question 4(a)IfA-2x2 _ 5 + 3x,B-4f-3r + 8 and Cx2 + 6x + 7, find A + 2B+3C.[
Answer» A + 2B + 3C= (2x^2 - 5 + 3x) + 2(4x^2 - 3x + 8) + 3(x^2 + 6x + 7)= (2 + 8 + 3)x^2 + (3 - 6 + 18)x+ (-5 + 16 + 21)= 13x^2 + 15x + 32

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