IGCSE /Grade 10
Maths MCQ Based On Adding and subtracting rational expressions
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IGCSE Grade 10 Maths Adding and subtracting rational expressions
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Add f(x) on both sides
Make denominators common.
Make denominators common.
To add the expressions, we first need to find a common denominator. The common denominator is the least common multiple of the denominators x+3 and x−3.
Look at denominators.
Make denominators common.
Factorize denominators First, add the like terms and then subtract.
Common denominators
Perimeter of rectangle = 2(l+b)
To subtract the expressions, we first need to find a common denominator. The common denominator is the least common multiple of the denominators x+2 and x−2.
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