Casio fx-991 ES to demonstrate. · Linear equations · Step 2- Now press shift+calc and you will get this on your screen. · Step 3- Now, just press the "=&q...

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Algebra is used in Maths when we do not know the exact number in a calculation - this unknown value can be replaced with a letter. We solve an equation by ...

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When we solve radical equations by squaring both sides we may get an algebraic solution that would make \sqrt{a} negative. This algebraic solution would not ...

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You can use polynom package: library(polynom) p <- polynomial(c(44,51,6,-1)) # 44 + 51*x + 6*x^2 - x^3 solve(p) # [1] -4 -1 11.

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A General Rule for Solving Equations · Simplify each side of the equation by removing parentheses and combining like terms. · Use addition or subtraction to ...