1) Find the value of these expressions: a) (2x7)x5= b) (8x3)x2= c) 4x(3x8)=
2 answers:
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The answer is the option d, which is: d)
The explanation for this problem is shown below:
1. Smplify the denominator and rewrite the numerator in this form:
2. Multiply the denominator and the numerator by the conjugated and simplify the expression, as following:
3. As you can see, you obtain the expression shown in the option mentioned above.