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1.Reduceti termenii asemenea:
a) 3[tex] a^{2} b - 5ab^{2} - 7a^{2} b + a^{2}b + 5ab^{2} [/tex]
b)[tex]2 \sqrt2{x}^{3} - 3 x^{3} - 4x - (4x + 3 x^{2} - 2\sqrt2{x}^{3})[/tex]
c)[tex] \sqrt2{x} - \sqrt3{y} - \sqrt2{y} + \sqrt3{x} [/tex]


Răspuns :

a)3a²b-7a²b+a²b  se reduce 5ab² cu - 5ab²  si rezultatul=-3a²b
b)2√2x²-3x³-4x-4x-3x³+2√2x³=4√2x³-6x³-8x
c)√2x-√3y-√2y+√3x=(x+y)(√2-√2-√3+√3)=0*(x+y)=0