Calculate using long division: ( x^4 +4x^3-3x^2-6x-7) divided by ( x^{2} -8)
1 answer:
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Answer:
x = 20
Step-by-step explanation:
since the triangle is a right angle, that means the angle is 90 degrees
equation:
30 + 3x = 90
subtract 30 on both sides
30 - 30 + 3x = 90 - 30
3x = 60
then divide each side by 3
x = 20
