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Earn +20 ptsQ: -x2 plus 3x equals -4
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What is (x2 plus 3x-4) (x-4)?
(x2+3x-4) (x-4)
X2 plus 3x plus 3 equals 7?
x2 + 3x + 3 = 7Subtract 7 from each side:x2 + 3x - 4 = 0Factor the left side:(x + 4) (x - 1) = 0x = - 4x = +1
If 3x-1 equals 11 what is the value of x2 plus 2?
3x-1 = 11 3x = 11+1 3x = 12 x = 4 Therefore: x2+2 = 18
Would x2 plus 3x plus 2 equals 30 be considered a quadratic equation although 'y' doesn't equal '0'?
Yes:- x2+3x+2 = 30 X2+3x+2-30 = 0 x2+3x-28 = 0 (x-4)(x+7) = 0 x = 4 or x = -7
3x-1 equals 11 what is the value of x2 plus x?
3x-1=11 solves to x=4. Plug in 4 to get 42+4. The answer is 20.
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