16. Find the roots of the quadratic equation x² + 3x - (a? +a -2) =0.
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Answer:
Step-by-step explanation:
3(5x+7)+5(2x-11)=3(8x-15)-15
Step-by-step explanation:
15x+21+10x-55=24x-45-15
25x-34=24x-60
25x-24x= -60+34
x= -26
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