y=3(x+5)(x-2) y=3x^2+9x-30( the equation is a qudratic equation ) (x=-b±√b^2-4ac÷2a formula ) (a=3 b=9c=30 values) solve the equation find value of x put it in question find y best of luck Roger pa...

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ax^2bx+c=0 a=5 b=3 c=4 x= -b±√b^2-4ac÷2a (formula) x= -3±√-71÷10 (ans) hear √b^2-4ac=D (value of x depend upon d) the answer is not in real number because d<0 the answer also can be written in ...

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