SUBTRACTING ALGEBRAIC EXPRESSIONS
One property of Algebra that hold is the subtraction of expressions. This is by simplifying the given expression. It can be form by monomial, binomial or polynomials. Based on the photo provided, it is by subtracting a binomial from binomial. It actually doesn't matter how the expressions appear. It's the operation on signs does. We both know that multiplying same signs results to positive (+) sign, and (-) for the unlike signs. That mastery leaves us easiness in dealing with the subject matter about expressions. See illustration below.
Given that, -2(-3), this is clearly means that (-)(-)=(+), and (2)(3) = 6. Or this can be +6. For an example like -3(x-4), this is simply mean -3x+12 as direct solution. In similar manner, all of the expressions treated the same.
More illustrations:
Simplify the following:
More examples:
Extra exercises:
Given the expressions, subtract the first from the second expression. Write your answer on a "Post a comment" box found below this page.
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