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Earn +20 ptsQ: 9x2 - 2x plus 25 equals 8x2 plus 8x?
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What is 3x plus 5 times 3x plus 5?
9x2 + 30x + 25
What is the answer to -4x2 minus 32x plus x plus 8 equals 8x2 minus 56x?
-4x2 - 32x + x + 8 = 8x2 - 56x : simplify and group the various terms-32x + 56x + x + 8 = 8x2 + 4x225x + 8 = 12x2 : Now present this as a standard quadratic equation.12x2 - 25x - 8 = 0 : Solving for the roots of a quadratic equation gives :-x = [25 ± √(252 + 4x12x8)] ÷ 2x12 = [25 ± √1009] ÷ 24 = [25 ± 31.765] ÷ 24x = 56.765/24 = 2.365 and x = -6.765/24 = -0.282x = 2.365 and -0.282
76 plus x plus 24 equals 125?
x equals 25
What is 17 plus 25 plus 15 equals?
17 + 25 + 15 = 57
What is 9x2 plus 25x2?
Well remember your order of operation (9 * 2) + (25 * 2) = 18 + 50 = 68 hope this helps.
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