Himpunan penyelesaian dari (a+8)"=36 ?
Mohon bantuannya ya, makasihh^^
Mohon bantuannya ya, makasihh^^
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a²+2.a.8+8² = 36
a²+16a+64 = 36
a²+16a+64-36 = 0
a²+16a+ 28 = 0
(a+2)(a+14) = 0
a+2 = 0 atau a+14 = 0
a = -2 a = -14