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GCSE
MATHEMATICS · Subjective · GCSE · Mathematics · Algebra · Algebra
Problem
Solve
10
r
2
=
45
−
68
r
10r^2=45-68r
10
r
2
=
45
−
68
r
.
Related theory
Solving Quadratic Equations
Quadratic Equations
Algebra
Solving by factorisation
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