21d2 – 7d + 8 – 4d (2d-3) =?
Correct answer D. 13d2+5d+8
Tip: press A, B, C or D to answer, and N for the next question.
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More Equations and Inequalities questions
See allIf n = 4 and m = 7 then 1/n + 1/nm?
Correct answer B. 2?7
If a? -b (a2-b2)/(a-b) = 40 then a+b =?
Correct answer D. 40
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In the above question what is the minimum integral value of y+x?
Correct answer C. -14
If -7
Correct answer D. 16
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