Find the sum: (4x3−3x+2x3)+(2x−2x2+6x)
2 answers:
Answer:
The Sum of the Expression is
<u>Explanation</u>:
Given :
Now we will use the BODMAS method Which has a rule to use it and this rule states that if any equation has bracket, off, Divide ,Multiply , addition and subtraction signs then we will solve first Bracket then Off then Division then Multiplication then Addition and at last subtraction.
So,
Sum=
Sum=
Sum=
Sum=
Hence the Sum of the above Expression is
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Answer:
14. -5√30 +3√2
15. 18√5 -30√3
Step-by-step explanation:
You can multiply radicals using ...
(√a)(√b) = √(ab)
And you can simplify radicals using ...
√(a²b) = a√b
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14. Using the distributive property, then simplifying the radicals, we have ...
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15. Similarly, ...
Answer:
15. x = 4
16. a = 19
Step-by-step explanation:
"Cross multiply" essentially means "multiply both sides of the equation by the product of the denominators."
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<h3>15.</h3>
This is an example of a problem in which cross-multiplying introduces the need for an extra step: divide by 3. Had we simply multiplied by the denominator of the x-term, we would have been finished in one step:
x = 6(2/3) = 4
That is, rather than multiplying by the <em>product of the denominators</em>, sometimes the problem can be solved more easily if you multiply by their <em>least common multiple</em>.
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<h3>16.</h3>