Example 1.9Simplify\frac{x^2}{y}-\frac{y^2}{x} Example1.10Simplify3x25y×5yz6x Solution: Since the two parts of the expression are multiplied, terms may be cancelled top and bottom as in arithmetic. In this case 3, 5, x and y may all be cancelled. / 解:因为表达式的两个部分是相...
For example, the expression 4 • 9 / 6 combines the numbers 4, 9 and 6 by multiplying 4 by 9 and then dividing by 6 giving the result 6. Sometimes an expression will involve a variable. You can simplify the expression by substituting the value of the variable into the ...
When that happens, the value of the algebraic expression changes. To evaluate an algebraic expression means to determine the value of the expression for a given value of each variable in the expression. Replace each variable in the expression with the given value, then simplify the resulting ...
Then we can simplify that expression by canceling the common factor (x+4)(x+4). x+4x+7x+4x+7 How To: Given a rational expression, simplify it. Factor the numerator and denominator. Cancel any common factors. Example 1: Simplifying Rational Expressions Simplify x2−9x2+4x+3x2−9x2+...
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Simplify the algebraic expression. 5t - {7t - (4r - 3(t - 7)) + 6r} - 4r How to write an algebraic expression Write the following as an algebraic expression in terms of x. \cot \left( {\sin }^{ - 1\left( {3x} \over 5 \right)} \right) ...
Step 3:Simplify and solve for the variable in the linear equation. Now, all we need to do is simplify the expression above and solve for {eq}x {/eq}. $$\begin{align} 3(x+1) + 2x(1) &= 4(x-5)\\ 3x+3 + 2x &= 4x-20\\ 3 + 2x-4x &= -20+3...
Simplify the expression: 5x2−10xx2−6x+8⋅x2−9x−4\frac{5x^2 - 10x}{x^2 - 6x + 8} \cdot \frac{x^2 - 9}{x - 4}x2−6x+85x2−10x⋅x−4x2−9 5x(x+3)(x-4)^2 x+1−2=5\sqrt{x + 1} - 2 = 5x+1−2=5 ...
Combine the numerators over the common denominator. 4(x+1)+3(x+6)(x+1)(x+6)4(x+1)+3(x+6)(x+1)(x+6) Simplify the numerator. Tap for more steps... 7x+22(x+1)(x+6)7x+22(x+1)(x+6)Enter YOUR Problem About Examples Glossary Affiliates Careers Press Privacy Terms (Premi...
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