find the zeros of the quadratic polynomial 8Xsq+2x-15 and verify the relationship between the zeroes and it's coefficients
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8x^2+2x-15=0
8x^2+12x-10x-15=0
4x(2x+3)-5(2x+3)=0
2x+3=0,4x-5=0
2x=-3,4x=5
x=-3/2,x=5/4
α+ß=(-3/2)+(5/4)
=(-6+5)/4
=-1/4
=-co-eff of x/co-eff of x^2
α*ß=(-3/2)*(5/4)
=-15/8
=constant/co-eff of x^2
Step-by-step explanation:
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