Solve ; 5x2
-22x -15 =0 by factorisation method.
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Answer:
Step-by-step explanation:
5x²-22x-15=0
5x²-25x+3x-15=0
5x(x-5)+3(x-5)=0
5x-3=0,x+3=0
5x=3, x+3=0
x=3/5, x=-3
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