0140875
12.03.2020 •
Mathematics
Solve the equation using square roots. x2– 15 = 34
A.+7
B.7
C.no real number solution
D.+49
Solved
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Ответ:
x=±7(A)
Step-by-step explanation:
x²-15=34
x²=34+15
x²=49
Taking square root on both sides
x=±7
Ответ:
x=7 and X=-7
Explanation:
x^2-15=34
x^2=49
x=7 and X=-7
Ответ:
x-10
Step-by-step explanation:
x-2-x-8= i found that hope it helps