2 years ago

Khalid carried water bottles to the field to share with his team at halftime. The water bottles weighed

Mathematics

1 answer:

jeka57 [31]2 years ago

4 0

Answer:

Answer: D

${50x}^{2} + 30x + 10$

• first factorise out 10:

$= 10(5 {x}^{2} + 3x + 1)$

• then find factors of the quadratic equation in the bracket:

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Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

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