fatore as expressões abaixo ?
a) x² + xy/2x b) 4ac+10ac²/12ac² d) 7ax +7bx+ay+by/ax-ay-bx-by e) 4ax-8ay f)x²-67 g) 81a²-18a+1 h) x²+6x+9
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a) x² + xy/2x b) 4ac+10ac²/12ac² d) 7ax +7bx+ay+by/ax-ay-bx-by e) 4ax-8ay f)x²-67 g) 81a²-18a+1 h) x²+6x+9
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Verified answer
a)
x(x-y)/2x=(x-y)/2
b)
2ac(2+5c)/12ac²=(2+5c)/6