Add 8 on both sides of the equation.
x = -12
There’s your answer!
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Answer:
B.) 9 in.
Step-by-step explanation:
a^2 + b^2 = c^2
a^2 + 12^2 = 15^2
a^2 + 144 = 225
a^2 = 225 - 144
a^2 = 81
√a^2 = √81
a = 9
(x+5)(x-5) (cancels out the middle Nx factor)
(x+5)(x+5)
P > 21 it's hard to set up on
= the phone
Actually , the picture is not complete, will you please upload it again