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serious [3.7K]
3 years ago
12

One solution of x^2-64=0 is 8. what is the other solution?

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
8 0
Step 1: Add 64 to both sides.<span><span><span><span>
x2</span>−64</span>+64</span>=<span>0+64</span></span><span><span>
x2</span>=64</span>
Step 2: Take square root.<span>
x=<span>±<span>√64</span></span></span><span><span>
x=<span><span>8<span> or </span></span>x</span></span>=<span>−8</span></span>
Answer:<span><span>x=<span><span>8<span> or </span></span>x</span></span>=<span>−<span>8

Hope this helps :D</span></span></span>
ivann1987 [24]3 years ago
4 0
X² - 64 = 0
(x - 8)(x + 8) = 0

x = - 8, 8

Your other solution is - 8
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