What is the a nswer to 5(r-11)=2(r-4)-6

1 answer:

6 0

5 (r - 11) = 2 (r - 4) - 6 Use the Distributive Property on both sides
5r - 55 = 2r - 8 - 6 Combine like terms (-8 and - 6)
5r - 55 = 2r - 14 Subtract 2r from both sides
3r - 55 = -14 Add 55 to both sides
3r = 41 Divide both sides by 3
r = 14 $\frac{2}{3}$

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Which value of b would make x²+bx-30 factorable? A. -31 B. -17 C. 11 D. 13

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Step-by-step explanation:

well since it's a quadratic equation, it can be written in the form of ax²+bx+c=0. So we have a=1, b=b and c= -30. Also the roots are given by the equation-

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