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Answer:
Step-by-step explanation:
Opposite angles of a cyclic quadrilateral are supplementary, so <u>(6x+72)+3x=180</u>
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Answer:
Step-by-step explanation:
A quadratic equation may be expressed as a product of the two binomials. The roots of the equations are 3 and 10, so the factors are (x-3) and (x-10).
f(x) = (x-3)(x-10)
f(x) = x^2 - 13x + 30