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Solve 7x + 6 > 1 + 2x

To solve a question we want to get the x terms and one sides, the variables, and the numbers on the other side, the constants.7x + 6 > 1 + 2xSubtract 2x from 7x so we only have x terms on the left hand si...
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Answered by Philip M. • Maths tutor
3490 Views

Write x^2+4x-12 in the form (x+a)^2+b where 'a' and 'b' are constants to be determined.

This question is asking us to complete the square. To find the value of a we must halve the coefficient of x. So, in this question: a = 4/2 = 2. To find the value of b we take the constant at the end of the ...
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Answered by Fizza A. • Maths tutor
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Factorise x^2-x-12

To factorise this equation we want to get 2 brackets. We are looking for 2 numbers which multiply to make -12 and add to make -1. So, let's see some factors of -12: -12 = (-1) x 12; (-2) x 6; (-3) x 4; (-4) ...
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Answered by Fizza A. • Maths tutor
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Solve the simultaneous equations: 3x+4y=19, x-6y= -23.

In order to solve these simultaneous equations we first want to eliminate one of the variables (x or y) and find a solution to the variable remaining (y or x) and then use this solution to find the second va...
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Answered by Nathalie L. • Maths tutor
4386 Views

I need help in Algebra as i struggle a lot with Algebra.

I will be assessing you in what you have done so far including Algebra that you are struggling with in order to identify your strengths and areas of improvement.
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Answered by FRED N. • Maths tutor
3392 Views