Question

a)3x-4xy+5y+3×+4xy
b)3a-(4a+5b)-4a+6b
c)11a-(3b-3a-4a)
d)
$4x + 5x \times x - {25}x^{2} \div x - {5}x^{2}$
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Answer 1

Răspuns:

a) -4xy si 4xy se simplifica, deci 3x+5y+3x= 6x+5y

b)3a-4a-5b-4a+6b=-6a+b

c) 11a-3b+3a+4a=18a-3b

d) 4x+5x × x -25x²÷x -5x²=4x +5x²-25x-5x²=-21x