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x2 -4=5

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x2 -4=5

Posted by Saroja Shivapujimath 6 years, 5 months ago

CBSE > Class 08 > Mathematics

2 answers

Saroja Shivapujimath 6 years, 5 months ago

Super

0Thank You

Yogita Ingle 6 years, 5 months ago

x² - 4 = 5
x² - 4 -5 = 0
x² - 9 = 0
x² - 3² = 0
(x - 3) (x + 3) = 0
x - 3 = 0, x + 3 = 0
x = 3 and x = -3

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Posted by Monika 8B 9 months ago

CBSE > Class 08 > Mathematics