How do you expand x 3 squared?
How do you expand x 3 squared?
Answer
- Answer:(a+b)²=a²+2ab+b²
- Step-by-step explanation: To solve (x+3)²
- Using the identity (a+b)²=a²+2ab+b²
- (x+3)² => x²+2×x×3+(3)²
- => x²+6x+9 = answer. *MARK* *AS* *THE* *BRAINLIEST*
Which equation has x 5 as solution?
x−5=3.
How do you calculate x 5?
x=5 is a vertical line parallel to the vertical y -axis. In terms of x -intercepts, you can quite simply read it off the equation- When x equals 5, it intersects the x -axis ( at the point where y =0). You can also see on the graph that the point of intersection is (5,0) . Note that x=5 is not a function however.
Is 2x 5 x quadratic equation?
Only if it can be put in the form ax2 + bx + c = 0, and a is not zero….Is it Quadratic?
| In disguise | In standard form | a, b and c |
|---|---|---|
| 2(x2 – 2x) = 5 | 2×2 – 4x – 5 = 0 | a=2, b=-4, c=-5 |
| x(x-1) = 3 | x2 – x – 3 = 0 | a=1, b=-1, c=-3 |
| 5 + 1/x – 1/x2 = 0 | 5×2 + x – 1 = 0 | a=5, b=1, c=-1 |
What is the product X 5 )( x 5?
x2 – 25
Answer: The product of (x+5)(x-5) is x2 – 25. Explanation: We know the algebraic identity (a + b) (a – b) as a2 – b2.
What does 5 squared equal?
To square a number, multiply it by itself. Five squared is 5 times 5, which equals 25. A number cubed is multiplied by itself twice: 5 times 5 times 5 is 5 cubed, which equals 125.
What does 5 squared mean?
5 squared, simply means 5 multiplied by itself. That is, 5 * 5. When you square a number, you are simply multiplying it by itself. 5 squared also poses a significance in squaring other numbers ending in 5. When you square any number ending in 5, the result always ends in the square of 5 itself, that is, 25.
What is the slope of 5x?
The slope is the same as the gradient. y=mx+c where m is the gradient and c is the y intercept. y=-5x-9. Therefore the ‘slope’ is -5 i.e. it goes down 5 every 1 across.
What is 4x squared?
What is the square of 4x?, You cannot take the square root of x as it’s multiplied to 4. However, if the equation was what it is the square root of 4x ^2, then the answer would be 2x. However, that is not the case. Therefore, the answer for the square root of 4x is simply the square root of 4x.
