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Bellwork. Find each product. 1. (x - 3)(x + 2) 2 . (a + 2)(a + 5) 3. (2x + 1)(x - 6) 4 . (4y - 3)(y + 1). 11.2 Operations with Radical Expressions. Algebra 1. Adding and Subtracting Radicals.
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Bellwork • Find each product. • 1. (x - 3)(x + 2) 2. (a + 2)(a + 5) • 3. (2x + 1)(x - 6) 4. (4y - 3)(y + 1)
11.2 Operations with Radical Expressions Algebra 1
Adding and Subtracting Radicals • You may add and subtract the outside number on a radical expression as long as the RADICANDS are the SAME!!!
Examples - ME • 1. 4√3 + 6√3 - 5√3
Examples - YOU • 2. 6√5 + 2√5 - 5√5
Examples - ME • 3. 12√5 + 3√7 + 6√7 - 8√5
Examples - YOU • 4. 7√2 + 8√11 - 4√11 - 6√2
Examples - ME • 5. 6√27 + 8√12 + 2√75
Examples - YOU • 6. 2√20 + 3√45 + √180
Examples - ME • 7. √6(√3 + 5√2)
Examples - YOU • 8. √5(2√10 + 3√2)
Examples - ME • 9. (√6 + √8)(√24 + √2)
Examples - YOU • 10. (√5 - √2)(√14 + √35)
REAL LIFE EXAMPLE • 11. Find the area of a rectangle with a width of 4√6 - 2√10 and a length of 5√3 + 7√5.