189 = 3*63
= 3 * 7*9
= 3 *7 * 3*3
Answer:
x = 4 or x = -1
Step-by-step explanation:
2x^2 - 8x + 6 =0
divide by 2 we get : x^2 -4x +3 = 0
(x -4) (x+1)
x = 4
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The other angle would also measure 89°.
