2 years ago

What is the solution to 2x²+8x=x²-16? O x=-4 O x=-2 O x=2 Ox=4

Mathematics

1 answer:

expeople1 [14]2 years ago

8 0

2x²+8x=x²-16

2x²-x²+8x+16=0

x²+8x+16=0

D=b²-4ac

=8²-4×1×16

=64-64

x= -b+VD / 2a

=-8+V0 /2

= -8/2

=-4

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