solve each equation by quadratic equations 15b^+4b-4=0
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15b+4b=4 and 19b=4and b=4/19
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Given : 15b² + 4b - 4 = 0
To Find : Roots / Zeroes
Solution:
15b² + 4b - 4 = 0
Using middle term split
=> 15b² + 10b - 6b - 4 = 0
=> 5b(3b + 2) - 2(3b + 2) = 0
=> (3b + 2)(5b - 2) = 0
=>
3b + 2 = 0 => b = - 2/3
5b - 2 = 0 => b = 2/5
Roots/zeroes are -2/3 and 2/5
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