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Used hard sided pop up campers for sale near meMODULE 9 Rational Expressions and Equations LESSON 9-1 Practice and Problem Solving: A/B 1. xx≠≠0, 7 2. x ≠3 3. 2( 2);0,4 7 x x x − ≠ 4. 54;2,2 6( 2) x x x − ≠− − 5. 992;,1 79 7 x x x ≠− − 6. 23;8 7 x x − ≠ 7. 68; 4 4 x x x − ≠− + 8. 214 5; 25 2 x x x −+ ≠ − 9. 2 2 274;4, 3 12 xx xx xx ...

Exercise 1: Solve the following quadratic equations. (a) 3x 2-5x - 2 = 0. Answer (b) (x + 1) 2 = 3. Answer (c) x 2 = 3x + 2. Answer. Return to Contents. Equations Involving Radicals. Equations with radicals can often be simplified by raising to the appropriate power, squaring if the radical is a square root, cubing for a cube root, etc.