2xy + 5 - 8 + 3xy - y +7 + 3y = 5xy - 8 + 2y + 12
Answer:
This question cannot be answered with the information given
Step-by-step explanation:
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Answer:
When 2x^2 - 10x - 3 is plugged into the quadratic equation, the resulting zeroes are x = (5 + sqrt(31))/2 and (5 - sqrt(31))/2. Hope this helps!
Step-by-step explanation:
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75°+75°=150°
angles in a triangle add up to 180°
180°-150°=30°
c) x=30°