20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)
1 answer:
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Answer:
x = 5±2√7
Step-by-step explanation:
This quadratic cannot be factorised via the factorisation method, so we use the quadratic formula :
x = or x =
(The reason I did 2 equations is because brainliest does not allow me to do the ± in the equation insert thing )
x = or x =
x = or x=
x = or x =
x = or x =
Hope this helped and brainliest please
Answer:
Option C.
Step-by-step explanation:
Consider the below figure attached with this question.
The below figure represents the enlargement of a trapezoid. It means both trapezoid are similar.
We know that the corresponding sides of similar figures are proportional.
On cross multiplication we get
Therefore, the correct option is C.