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lina2011 [118]
3 years ago
12

Please factor 20x^2+11x-4=0

Mathematics
2 answers:
stiks02 [169]3 years ago
7 0
<span>

(-1 + -4x)(4 + -5x) = 0</span>
Wewaii [24]3 years ago
3 0
First factor 20x^2
(4x and 5x)
(4x-1)(5x+4)=0
4x-1=0
x=1/4
5x+4=0
x=-4/5
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