Learn To Be Home

Learn To Be brings free online tutoring students around the United States. Volunteer and gain community service hours while helping students who need it./p>

Become A Tutor Enroll A Student
< Exercises

Limits by direct substitution

lim⁡x→−1x2−72x2+5x=\displaystyle \lim_{x\to -1}\dfrac{x^2-7}{2x^2+5x}=