So
(x-4)^2=(x-4)(x-4)=x^2-4x-4x+16=x^2-8x+16
Answer:
20 + (x/14)
Step-by-step explanation:
a number means a variable, increased means add and quotient is division.
Answer:
9 cm
Step-by-step explanation:
Total surface area of a cube =486 cm²
We know that the surface area of the cube
=6l²
Therefore,
6l ²
=486
l² =81
l =9 cm
<span><span /><span>Being able to express numbers in its equivalent
forms allows you to give more accurate and correct answers. By using
equivalents forms you may find a simply and easier way to solve the given
equation.
For example, in fraction, by simply expressing equivalent fractions with common
denominator, you can easily subtract and add the given numbers in an easy way.
There are a lot of numbers that are equivalent, and there are a lot of way to
solve a single problem to get a correct answer.</span></span>
Answer:
Is this pure maths cause I don't know what's going on here
