Question

the roots of 15 x square+14x-8=0 are​

Answer 1

Answer:

-4/3 and 2/5

Step-by-step explanation:

15x² + 14x - 8 = 0

•First term×Last term = 15×(-8) = -120

•Factors of -120 such that their difference=14

•Factors of -120 such that their difference=14

→ -120 = 20 and -6

15x² + 20x -6x -8 = 0

5x(3x+4) -2(3x+4) = 0

(3x+4) (5x-2) = 03

x+4 = 0 OR 5x-2 = 0

therefore, the roots of the polynomial 15x²+14x-8 are -4/3 and 2/5

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