Question

15x ²+ 2x-8=0 solve the given quadratic equation

Answer 1

Answer:

X=2/3 or -4/5

Answer 2

$= > 15 {x}^{2} + 2x - 8 = 0 \\ = > 15 {x}^{2} + 12x - 10x - 8 = 0 \\ = > 3x(5x + 4) - 2(5x + 4) = 0 \\ = > (5x + 4)(3x - 2) = 0 \\ = > (5x + 4) = 0 \: or \: (3x - 2) = 0 \\ = > x = - 4 \div 5 \: or \: x = 2 \div 3$

x= -4/5 or x=2/3

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