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Solve 14-x = 4(1+x)

First of all we want to expand the brackets out. We do this by mulitplying 4 by each number in the bracket. This then gives us 14-x = 4+4x. We then want to get all the x's on one side and the numbers on the ...
FS
Answered by Francis S. • Maths tutor
3502 Views

Expand the quadratic equation and simplify: (3a+4)(a-1)

To expand brackets you should multiply each term with every other term. Here it would be: 3a 2 -3a+4a-4 Collecting the a terms, this simplifies to: 3a 2 +a-4.
RD
Answered by Ran D. • Maths tutor
4740 Views

What is BODMAS?

BODMAS is an acronym that tells you what order to do things in a maths equation. It stands for brackets, order (e.g. 2 2 ), division/multiplication and addition/subtraction.
JK
Answered by Jessica K. • Maths tutor
4260 Views

What fractions are equivalent to 1/4?

3/12, 2/8. To identify fractions which are equivalent to one another, you need to identify the common multiple of both the denominator and numerator and then simplify. When a fraction is equivalent to one an...
KN
Answered by Konstantin N. • Maths tutor
4711 Views

Solve algebraically: 6a + b = 16 ..... 5a - 2b = 19

first equation: 6a + b = 16 second equation: 5a - 2b = 19 from 2 times first equation + second equation 17a = 51 meaning a = 3 .... from the first equation 6(3) + b = 16 therefore b = - 2
BC
Answered by Benjamin C. • Maths tutor
3652 Views