Webb1 maj 2024 · Answer. Example 2.3.6: evaluate. Evaluate 2x2 + 3x + 8 when x = 4. Solution. We need to be careful when an expression has a variable with an exponent. In this … Webb12x 2 /2 + 12x/2 + 2/2 = 6 x 2 + 6x + 1. Example 3. Simplify 3x + 2(x – 4) Solution. In this case, it is impossible to combine terms when they are still in parentheses or any grouping sign. Therefore, eliminate the parenthesis by multiplying any factor outside the grouping by all terms inside it. Hence, 3x + 2(x – 4) = 3x + 2x – 8
2.2: Simplifying Algebraic Expressions - Mathematics LibreTexts
Webb2x2-5x+3/x2+5x-6 Final result : 2x4 - 6x2 + 3 ————————————— x2 Step by step solution : Step 1 : 3 Simplify —— x2 Equation at the end of step 1 : 3 ( ( ( (2• (x2)) … Webbsimplify the expression ( (2x^2-5x-3) / (x^2+x-20) ) ( (x^2+8x+15) / (2x^2+9x+4) ) a - x^2-9 / x^2-16 b - 9 /16 c - x^2-6x+9 / x^2-8x+16 d - x^2+6x+9 / x^2+8x+16 15,021 results, page 3 … early pregnancy unit queens
Simplifying Rational Expressions – Explanation & Examples
WebbTo simplify your expression using the Simplify Calculator, type in your expression like 2 (5x+4)-3x. The simplify calculator will then show you the steps to help you learn how to … WebbThe simplification of algebraic expressions allows us to obtain simpler expressions that can be manipulated with ease. To simplify algebraic expressions, we can apply the distributive property to remove parentheses and other grouping signs, and we can combine like terms. Distributive property WebbTo simplify expressions first expand any brackets, next multiply or divide any terms and use the laws of indices if necessary, then collect like terms by adding or subtracting and finally rewrite the expression. For example to simplify. 8x +4+3(2x−3) 8 x + 4 + 3 ( 2 x − 3) Expand the brackets. 8x +4+6x −9 8 x + 4 + 6 x − 9. early pregnancy unit haywards heath