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Solve x^2 - 6x - 2=0 giving your answer in simplified surd form.

SInce the question requires simplified surd form, it makes sense to use the quadratic formula immediately for this question.

This would give us

x = 6 [+-] squareroot(36-(4x1...

MB
Answered by Molly B. • Maths tutor
13683 Views

Use logarithms to solve 9^x=15

According to the rules of logarithms, when you take a log of something to the power of something, you multiply the log of the base by the power, so in this case, taking logs of both sides would give us...

MB
Answered by Molly B. • Maths tutor
7526 Views

Solve 7(k-3)=3k-5

First we need to multiply out the bracket

7k-21=3k-5

Then we must make sure our variable is only on one side so we need to deduct 3k from both sides

4k-21=-5

MB
Answered by Molly B. • Maths tutor
15382 Views

Solve the inequality 6y+5>8?

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