2.2 strat. Warm UP!!!! find the sum Remember Like terms: Have the same variable and exponent 14x 2 12x 2 7g 81g 5c 45c 7w 3 34w 3.

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Presentation transcript:

2.2 strat

Warm UP!!!! find the sum

Remember Like terms: Have the same variable and exponent 14x 2 12x 2 7g 81g 5c 45c 7w 3 34w 3

Match the like terms 18x 15y 2 2m 7z 3 9w 4 17y 2 3m 5z 4 7w 4 45z 3 16x

You can only add/ subtract like terms!!! 14x + 5x = 19x 12y – 4y = 8y 4c + 5y = NO!!

Rules for Exponents: When you add/subtract like terms you keep the exponent the same 3x 2 + 5x 2 = 8x 2 14x 2 – 7x 2 = 7x 2

Rules for exponents: When you multiply terms you multiply the coefficients and ADD the exponents. 4x 2 ( 8x 3 + 5x 2 ) = 32x x 4 2x( 15x 2 + 5x + 4) = 30x x 2 + 8x

Find the product. 2x 2 (3x 2 -5x + 1) 3x 2 -5x +1 x 2

Find the product. 3x 2 ( 7x 2 +2x +5) 7x 2 +2x +5 3x 2

You Try!!! Find the product 4x 5 (3x 3 -2x 2 – 8x +5)

find the product: (w+2)( w 2 +8w + 1) w 2 +8w +1 w +2

Find the product: (5x – 2)( 10x 2 –x +5) 10x 2 -x +5 5x -2

Find the product: ( 3x + 3) ( 2x – 5) 2x -5 3x +3

Find the product: ( 6a – 4)( 5a – 1) 5a 6a -4

Simplify the expression: a(3a + 1) + (a + 1)(a + 2) 3a +1 a a +2 a +1

Combined like terms …..

You try!! Simplify the expression 2p(p 3 +2p) + ( p -3)(p+5)

Write a polynomial for the area of the model.

Classwork: Workbook pg. 67 – 68 # 1 – 20 Homework: Textbook: pg 66 # all

Homework: Textbook. Pg. 66 # 1 – 20 all Classwork: Kuta handout