#Staymarried: A Couples Devotional: 30-Minute Weekly Devotions to Grow In Faith And Joy from I Do t

#Staymarried: A Couples Devotional: 30-Minute Weekly Devotions to Grow In Faith And Joy from I Do t

Matematika jika a=5, b=8,dan C=9, nilai dari 3a²+2b²-c² adalah
A. 422
B. 402
C. 524
D. 584​

jika a=5, b=8,dan C=9, nilai dari 3a²+2b²-c² adalah
A. 422
B. 402
C. 524
D. 584​ 3a^2 = 3*5^2 = 225
2b^2 = 2*8^2 = 256
C^2 = 9^2 = 81

225+256-81 = 400 ( gaada jawaban tapi B paling deket)

Brainliest answernya kak <33

= 3a² + 2b² - c²

= 3(5)² + 2(8)² - (9)²

= 3×25 + 2×64 - 81

= 75 + 128 - 81

= 122

[answer.2.content]