<p>Pojednostavni:</p> <p>a) (x + 3)² = </p> <p>b) (3a - 5)² = </p> <p>c) (2x - 3)(2x + 3) = </p> <p>Pomnoži algebarske izraze</p> <p>(x - 3)(x + 6)</p> <p>(5x - 1)(1 + 2x)</p> <p>-3(x - 2)(2x + 1)</p> <p>1. Dopuni prazna mjesta:</p> <ul> <li>a) /(2x(__ - 3y) = 10x - 6xy)/,</li> <li>b) /(3a(2a + ) = 6a^2 + 21ab)/,</li> <li>c) /(ab(-2a - ) = -2a^2b - 5ab^2)/,</li> <li>d) /(-2x(1 - 3x + ) = -2x + 6x^2 - 2xy)/.</li> </ul> <p>2. Umetni znak + ili -, a potom pojednostavni algebarski izraz.</p> <ul> <li>a) /((x + 7)(x - 2) = x^2)/ __ /(2x)/ __ /(7x)/ __ /(14 =)/ ___________________</li> <li>b) /((2x + 3y)(5x - 2y) = 10x^2)/ __ /(4xy)/ __ /(15xy)/ __ /(6y^2 =)/ ___________________</li> </ul> <p>3. Pomnoži:</p> <ul> <li>a) /((x - 1)(x + 3) =)/ ___________________</li> <li>b) /((2x + 3)(3x - 2) =)/ ___________________</li> <li>c) /((\frac{1}{4}a + 1)(a - \frac{1}{2}) =)/ ___________________</li> <li>d) /(-2(x + 2)(x - 4) =)/ ___________________</li> </ul> 1. A trader, §§N2§§ buys §§V0(140,179,1)§§ sacks of wheat from the warehouse, paying a total of €§§V1(70000,79000,10)§§. She then transports it to a nearby town at the cost of €2280. If she made a total loss of §§V0(10,30,5)§§%, then at what price did she sell each sack of wheat? </p> <img src="/uploads/bok.svg"/> <p> 2. What is the selling price of goods which cost €§§V4(100,300,5)§§ and were sold at a gain of §§V0(10,30,5)§§% </p> <p> 3. §§N0§§ buys §§V0(10,30,5)§§% camels for €50000. If he sells them for a profit of §§V3(10,20,5)§§%, find the selling price of one camels. </p> <p> 4. §§N0§§ buys §§V0(40,50,1)§§ sacks of foodgrains, but has to sell it all at a loss. She sells it at 1/6 of the price she bought it at, and gets €721.50. If instead, she wants to make a profit of 5/13 over the price she bought it at, then at what price does she have to sell the whole lot at? </p> <p> 5. A mobile phone was bought for €§§V6(233,300,5)§§ and €§§V0(10,30,5)§§ was spend on its transportation. At what price was it sold if the gain percent on the transaction was §§V0(10,30,5)§§% ? </p>