Find the value of the polynomial 6x^2 + 4x – 6 when x = 3.?

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2007-10-10 14:39:33 · 2 answers · asked by Joe T 1 in Science & Mathematics ➔ Mathematics

substituting x by 3,the value of the expression is
6(3)^2+4*3-6
=6*9+12-6
=54+12-6
=60

2007-10-10 14:45:02 · answer #1 · answered by alpha 7 · 1⤊ 0⤋

(6*9) - (4*3) - 6 = 36

Insert 3 in place of x & perform operations within parenthesis first then arithmetic.

2007-10-10 21:43:26 · answer #2 · answered by Treadstone 7 · 0⤊ 1⤋