Question

1.) x2 – 36 = 0
2.) a2 + 64 = 100
3.) b2 - 12 = 60
4.) m2- 121 = 0
5.) (x + 3)2 = 36

Answer 1

$\huge{\underline{\underline{\mathcal{Solutions:}}}}$

• x² - 36 = 0

=> x² = 0 + 36

=> x = √36

=> x = 6

• a² + 64 = 100

=> a² = 100 - 64

=> a² = 36

=> a = √36

=> a = 6

• b² - 12 = 60

=> b² = 60 + 12

=> b² = 72

=> b = √72

=> b = 8.48528137424

• m² - 121 = 0

=> m² = 0 + 121

=> m = √121

=> m = 11

• (x + 3) 2 = 36

=> 2x + 6 = 36

=> 2x = 36 - 6

=> 2x = 30

=> x = 30/2

=> 15

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