Evaluate expression x2−7x+12x−4 when x=−1
Did you find an error or inaccuracy? Feel free to write us. Thank you!
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Showing 1 comment:
for any expression we offer free fraction or decimal calculator that can solve (substitute variables and expression with variables evaluation):
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Eq2 2
Solve following equation with quadratic members and rational function: (x2+1)/(x-4) + (x2-1)/(x+3) = 23
- Evaluate 17
Evaluate 2x+6y when x=- 4/5 and y=1/3. Write your answer as a fraction or mixed number in simplest form.
- Simplify 3
Simplify mixed numerals expression: 8 1/4- 3 2/5 - (2 1/3 - 1/4) Show your solution.
- If x=4
If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²?
- Mixed numbers
Rewrite mixed numbers, so the fractions have the same denominator: 5 1/5 - 2 2/3
- Eq2 equations
For each of the following problems, determine the roots of the equation. Given the roots, sketch the graph and explain how your sketch matches the roots given and the form of the equation: g(x)=36x2-12x+5 h(x)=x2-4x+20 f(x)=4x2-24x+45 p(x)=9x2-36x+40
- Turtles 2
A box turtle hibernates in the sand at 11 5/8. A spotted turtle hibernates at 11 16/25 feet. Which turtle is deeper? Write answer as number 1 or 2.
- Sum of fractions
What is the sum of 2/3+3/5?
- Fraction + eq
Solve following simple equation with fractions: -5/6(8+5b) = 75 + 5/3b
- Basketball team
The heights of five starters on redwood high’s basketball team are 5’11”, 6’3”, 6’6”, 6’2” and 6’. The average of height of these players is?
- Equation 25
Solve following simple equation: 3/4(x+5)=1/2(x+9)
- Profit, revenue, cost
Profit, P(x), is the difference between revenue, R(x), and cost, C(x), so P(x) = R(x) - C(x). Which expression represents P(x), if R(x) = 3x3 + 2x - 1 and C(x) = x4 - x2 + 2x + 3?
- Evaluate expr with 2 vars
If a=6 and x=2, find the value of (2ax + 7x- 10) /(4ax-3a-2)
- Evaluate expression
If x=2, y=-5 and z=3 what is the value of x-2y
Three-quarters of boats are white, 1/7 are blue and 9 are red. How many boats do we have?
- My father
My father has a big farm. 6/8 of it were planted with mango trees, 1/2 of the remainder are guava trees and the rest 10 trees are santol trees. What is the number of all trees?
- One third power
Which equation justifies why ten to the one-third power equals the cube root of ten?