Answer:
x = 1.5 and x = 2.5
Step-by-step explanation:
4x² - 16x + 15 = 0 Divide everything by 4
x² - 4x + 15/4 = 0 Find factors of 15/4 that add to -4
(x - 1.5)(x - 2.5) = 0 Set each equation equal to 0
x - 1.5 = 0 x - 2.5 = 0
+1.5 +1.5 +2.5 +2.5
x = 1.5 x = 2.5
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