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The answers and solutions to completing the square of quadratic equations. It includes 20 examples with their respective solutions. This resource is ideal for students and learners who need help understanding the completing the square method in algebra.
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Elementary Algebra Skill
Solve each equation by completing the square.
x^2 + 2 x − 24 = 0 2) p^2 + 12 p − 54 = 0
x^2 − 8 x + 15 = 0 4) r^2 + 18 r + 56 = 0
m^2 − 6 m − 55 = 0 6) m^2 − 4 m − 91 = 0
m^2 + 16 m − 32 = −7 8) r^2 − 8 r = −
n^2 = −14 n − 37 10) n^2 − 2 n = 15
x^2 + 15 x + 15 = 2 + x 12) −3 n^2 + 4 n − 59 = −4 n^2
5 n^2 − 20 n + 6 = 0 14) 3 a^2 − 6 a − 34 = 0
3 x^2 − x − 3 = 0 16) 2 v^2 + 5 v − 7 = 0
4 n^2 + 11 n = 15 18) 9 a^2 − 21 = 13 a
3 m^2 − 10 m + 11 = 4 20) 3 m^2 − 16 m − 2 = −