solve by factorisation 3x²+20x-32=0
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Answer:
-4or8÷3
Step-by-step explanation:
3x+20x-32=0
3×32=64
it's root are 12and -8
3x+12x+8x-32=0
3x(x+4)-8(x+4)=0
3x-8=0. x+4=0
x=8÷3 x=-4
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