ANSWER: -4X2 -8X
-4x (x+2)
= (-4x * x) + (-4x*2)
= -4X2 -8X
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4x + 17 = x + 2 4x - x = 2 - 17 3x = -15 x = -5
4x^2 + 3
The value of x in the equation -2 x plus 3 4x-3 is 3.
x(4x-2)
x2 + 4x - 21 = (x + 7)(x - 3). The trick is to find 2 numbers which sum to 4 and have a product of -21.