Mathematics: Factor each expression 59. s^2-20s+100 61. r^2-64 63. 25m^2+80m+64 65. g^2-225 67. 36h^2-12h+1 69. 32v^2-8

Factor each expression 59. s^2-20s+100 61. r^2-64 - id592201006126462102668, jojo8617

Ответ:

kaaylon8285

20.05.2020

Mathematics

$\boxed{ \tt{1. \: \: 9a + 2b}}$

$\boxed{ \tt{2. \: \: 2pqr + 3qrs - 3pqr}}$

Step-by-step explanation:

$\tt{1. \: \: (5a - 6b) + (4a + 8b)}$

Remove the unnecessary parentheses :

⇾ $\tt{5a - 6b + 4a + 8b}$

Combine like terms. Like terms are those which have the same base { For instance : In the term 4a , a is the base }. Also remember that : Only coefficients of like terms can be added or subtracted.

⇾ $\tt{5a + 4a - 6b + 8b}$

⇾ $\tt{9a + 2b}$

$\tt{2. \: \: pqr + pqr - 2qrs + 5qrs - 3pqr}$

Combine like terms :

⇾ $\tt{2pqr + 3qrs - 3pqr}$

Hope I helped ! ♡

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Factor each expression
59. s^2-20s+100
61. r^2-64
63. 25m^2+80m+64
65. g^2-225
67. 36h^2-12h+1
69. 32v^2-8

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