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Earn +20 ptsQ: 2-4x -2x plus 4
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Continue Learning about Math & Arithmetic
What value of c makes 9x2 plus 24x plus c a perfect square?
16? using 16, you have (3x2 + 4)(3x2 + 4) = 9x2 + 24x + 16
How do you factor 9x squared plus 24x plus 16?
Let the symbol ^ mean "to the power" Then 9x^2 + 24x + 16 = (3x + 4)(3x +4) = (3x + 4)^2
What is 2x-1 plus 2x-1 plus 2x-1 plus 2x-1?
8x-4
What is the answer to 2x plus 5 plus x2x-1 plus 2x plus 4?
x equals 4
2x plus 4 plus 7x-4?
2x+4+7x-4 is the same as 9x
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