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Earn +20 ptsQ: How do you simplify -3x2 plus 16x plus 12?
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Solve the equation for x 16x - 8x plus 12 equals 78 plus 22?
16x - 8x + 12 = 78 + 22 or simplified to (16x-8x=8x)(78+22=100) 8x + 12 = 100 Simplify some more (Subtract 12 from both sides) 8x = 88 Divide both sides by 8, and x = 11
How do you simplify -9 plus 12?
Perform the indicated subtraction. 12 - 9 = 3
3x2 - 12?
-6to work it out: remember BIDMASso 3x2=6! then 6-12=-6
What is the discriminant of the equation -3x square - 12x plus 7 equals 8?
The equation is equivalent to: -3x2 - 12x - 1 = 0 [you could change signs to get 3x2 + 12x + 1 = 0 but that is not required] The discriminant is (-12)2 - 4*(-3)(-1) = 144 - 12 = 132
What is the LCM of 2x-2 4x-12?
4x2 - 16x + 12
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