Solve the problem by factorisation
Factorise 4x²+20x-96
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Step-by-step explanation:
4x²+20x-96
divide by 4
x²+5x-24. -24
-3. 8
x²-3x+8x-24=0
x(x-3)+8(x-3)=0
(x-3) (x+8)=0
x-3=0. x+8=0
x=30. x=-8
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