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(x²-5x+1)·(x-4)+(x+x²-4)²=

(x+√2)·(2√2+x)+(c+√2+x√2)²=

(x+5)²-(x+3)·(x-3)+(x-1)²=

(x√3+√2)·(x√3-√2)-(4-3x)²=

(x+√7)·(√2-x)-(x-√7)²+(-x√32)=


URGENT VĂ ROG