3 years ago

X2 + 4x – 2 .

1 answer:

8 0

Answer:4x

Step-by-step explanation:

since two opp add up 0, remove them from the expression.

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padilas [110]

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(a) $55^o$

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Step-by-step explanation:

The sum of the angles inside a triangle must be 180°, but from the right angle we already have 90°, so the sum of the two acute angles is 90°, then:

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