Undefined: You cannot divide by zero
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3x2 - 19x - 14 = 0 3x2 - 21x + 2x - 14 = 0 3x(x - 7) + 2(x - 7) = 0 (x - 7)(3x + 2) = 0 x - 7 = 0 or 3x + 2 = 0 x = 7 or x = -2/3
When you are multiplying, you are stating how many times the number is stated. Here, it is stated as "0" times, therefore the answer is "0." Any number multiplied by 0 or divided into/by 0, the answer will always be 0. 500x0=0
Undefined: You cannot divide by zero
By Simultaneous Equations. Assuming you mean 5x + 3y + 20 = 0 2x - y - 14 = 0. We will eliminate 'y' by multiplying the bottom eq'n by '3' and then adding. Hence 5x + 3y + 20 = 0 6x - 3y -42 = 0 Add 11x -22 = 0 11x = 22 x = 22/11 x = 2 when x= 2 2(2) - y - 14 =0 4 - y - 14 = 0 -y - 10 = 0 y = -10 So the point of intersection in ( x.y.) form is ( 2, -10).