7n2 – 7n + 5 – (3n + 7n2) =
Correct answer C. ?10n + 5
Tip: press A, B, C or D to answer, and N for the next question.
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More Basic Algebra questions
See allAkbar can swim at the speed of 20 km/h in still water and speed of water is 3 km/h. Find his speed in the direction of water?
Correct answer A. 23 km/h
Find the value of 6×2-2(x+1) at x=-4
Correct answer C. 102
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Which one is the value of the expression 4×3+6x+3 at x=2?
Correct answer D. none
Find the value of the function x3+9x_11 at x =3
Correct answer D. 43
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