Webb14 sep. 2024 · The expression is . 4x +7x + (-x) To simplify means to reduce the expression into its simplest form, by performing the basic mathematical opertaion as … Webb25 juli 2024 · x=1. Answer. Remember that a fraction is simplified when it has no common factors, other than 1, in its numerator and denominator. When we evaluate a rational expression, we make sure to simplify the resulting fraction. Example 7.1.10. Evaluate a2 + 2ab + b2 3ab for each value. a=1, b=2. a=−2, b=−1. a = 1 3, b=0.

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Webb= x + 4x + 7 – 20 = 5x – 13 = (5 x 2) – 13 ... = 22 + 7 = 29. Q7 : Simplify these expressions and find their values if x = 3, a = – 1, b = – 2. (i) 3x – 5 – x + 9 (ii) 2 – 8x + 4x + 4 (iii) 3a + … WebbHow to factor expressions. If you are factoring a quadratic like x^2+5x+4 you want to find two numbers that. Add up to 5. Multiply together to get 4. Since 1 and 4 add up to 5 and … crypto exchanges best

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WebbExample 1. Simplify 3 x2 + 5 x2. Solution. Since both terms in the expression are have same exponents, we combine them; 3 x2 + 5 x2 = (3 + 5) x2 = 8 x2. Example 2. Simplify the expression: 2 + 2x [2 (3x+2) +2)] Solution. First work out any terms within brackets by multiplying them out; Webb27 maj 2024 · The sum of three certain consecutive numbers is 240. Find the three numbers. [Hint: Let x stand for the smallest number. Since the numbers are consecutive, add 1 to get the second number (x + 1) and add 2 to get the third number (x + 2).] WebbWhich of the following is the simplest form of 2x²+7x+3/2x²-5x-3. 11. simplest form of x2-5x+4/4x+3x-x2 12. Which expression represents (25x – 125) / (x2 – 25) in simplest form? 13. expressed simplest form of 4xx-1 and x2-13x+3 14. which of the following is the simplest form of x2-1/x3-1?a. 1/x-1b. x+1/1-xc. x+1/x2-x+1d.x-1/x-1 15. 10. cryptographic helper