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What is integration?

when integrating a function which describes a certain curve, the answer we get gives us the area under the curve. When integrating a general polynomial you simply add 1 to the power and divide by the new ...

JG
Answered by Jacob G. Maths tutor
2743 Views

Solve 56x + 10 = 60 - 48x

The question is asking us to "solve" the equation which means we need to find the missing variable. In this case, x is our missing variable so our goal is to get all the x's on ...

LO
Answered by Lucy O. Maths tutor
2940 Views

Without expanding any brackets, work out the solutions of 9(x+3)^2 = 4

To solve for x first divide both sides by 9, giving the equation:(x+3)2 = 4/9Then square root both sides, leading to:x+3 = +/- 2/3Finally subtract 3 from both sides leaving:x = -11/3 or x = -7/...

MT
Answered by Modestas T. Maths tutor
4829 Views

Solve the simultaneous equations: 3x + y =11; 2x + y = 8

subtract one from the other to eliminate y: 3x+y=11; 2x+y=8 --> x=3substitute value of x back in and solve for y: 3(3)+y=11; 9+y=11; --> y=2

IH
Answered by Israel H. Maths tutor
2974 Views

(a) Expand and simplify (x − 3)(x + 5), ..2 marks.. (b) Solve x^2 + 8x − 9 = 0 ..3 marks..

(a) Remember: Multiply each term in the left bracket by every term in the right bracket.(x-3)(x+5) = x2+ 5x - 3x -15.Collecting all of the like terms:= x2+ 2x -15.
(b) Solve x

JW
Answered by Jack W. Maths tutor
9307 Views

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