a Factorize the following expression 6x 13x 5 b Express 20 as a decimal number c Simplify (3y 5) (2y 3) (y 7)(5y 1) d Simplify 7x x x 5x 3x 6x4 e Solve 3x 4 11 hence represent it graphically f Three trained and five untrained masons are paid a total of Ksh 16,500 to complete a job in one day Four trained and three untrained masons are paid a total of Ksh 15,400 to do the same job in one day If they are paid the same rate, use linear equations to calculate the daily pay for one trained and one untrained mason g The cost of a sports car is 23500 inclusive of VAT at 17 5 What is the cost of the car without the VAT added h A machine part has a length of 36mm The length is incorrectly measured as 36 9mm Determine the percentage error in the measurement

Question: a. Factorize the following expression 6x+13x-5 b. Express 20% as a decimal number c. Simplify (3y+5) (2y-3) - (y+7)(5y - 1). d. Simplify 7x+x-x-5x-3x-6x4

a. Factorize the following expression 6x+13x-5 b. Express 20% as a decimal number c. Simplify (3y+5) (2y-3) - (y+7)(5y - 1). d. Simplify 7x+x-x-5x-3x-6x4 e. Solve -3x+4

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