Galsviz
Galsviz
Math
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solve this pls a) 4x²-225=0 b) 3h²-147=0 c) (x-4)²=169 d) (k+7)²=289
Sagot :
Jamaica121199viz
Jamaica121199viz
a. x = 7.5
4(7.5)² - 225 = 0
4(56.25) - 225 = 0
225 - 225 = 0
b. h = 7
3(7)² - 147 = 0
3(49) - 147 = 0
147 - 147 = 0
c. x = 17
(17 - 4)² = 169
(13)² = 169
169 = 169
d. k = 10
(10 + 7)² = 289
(17)² = 289
289 = 289
:)
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