Factorise
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1.4√3x²+8x-3x-2√3
=4x(√3x+2)-√3(√3x+2)
=(4x-√3)(√3x+2)
2.7√2x²-14x+4x-4√2
=7x(√2x-2)+2√2(√2x-2)
=(7x+2√2)(√2x-2)
=4x(√3x+2)-√3(√3x+2)
=(4x-√3)(√3x+2)
2.7√2x²-14x+4x-4√2
=7x(√2x-2)+2√2(√2x-2)
=(7x+2√2)(√2x-2)
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