9
5x - 7 = 2x + 3 - x5x = x + 104x = 10x = 2.5Check It!5(2.5) - 7 = 2(2.5) + 3 - (2.5)12.5 - 7 = 5 + 0.55.5 = 5.5 Correct!
this question makes no sense. do you mean what are the zeros/roots of this polynomial?Factoring trinomials are fun!5x2 - 8x - 4(5x + 2)(x - 2)Never forget to check:5x2 - 10x + 2x - 45x2 - 8x - 4Good everything is in order, now set each parentheses equal to zero to solve for x5x + 2 = 05x = -2x = - 2/5x - 2 = 0x = 2All done! Now we know the solution set is {-2/5, 2}. Remember smallest number always goes first.
A 20 minute lesson would mean 80 minutes of practice.20 = X Cross Multiply 5X = 400 Solve for X5X = 4005 20 /5 /5X = 80
as equal as, so equal as, more equal than, the most equal of.
integrate(x5x dx) simplifies to integrate(5x^2 dx), and using the power rule of integration, add one to the power of x and divide the term by that number. Thus, x5x dx integrated is (5/3)x^3
9
It's an equation. Specifically, a linear equation in ' x '.Here's the solution for ' x ':4x + 7 = -3 - x5x + 7 = -35x = -10x = -2
5x - 7 = 2x + 3 - x5x = x + 104x = 10x = 2.5Check It!5(2.5) - 7 = 2(2.5) + 3 - (2.5)12.5 - 7 = 5 + 0.55.5 = 5.5 Correct!
7 factorial means 7x6x5x4x3x2x1 which can be rewritten as 7x(3x2)x5x(2x2)x3x2x1 when 6 and 4 are factored. Notice the repeating factors are (3x3)x(2x2)x(2x2) = (3x2x2)x(3x2x2) = 12 squared = 144
this question makes no sense. do you mean what are the zeros/roots of this polynomial?Factoring trinomials are fun!5x2 - 8x - 4(5x + 2)(x - 2)Never forget to check:5x2 - 10x + 2x - 45x2 - 8x - 4Good everything is in order, now set each parentheses equal to zero to solve for x5x + 2 = 05x = -2x = - 2/5x - 2 = 0x = 2All done! Now we know the solution set is {-2/5, 2}. Remember smallest number always goes first.
Five times the sum of 6 and a number is 2 more than the numberWrite the equation5(6 + x) - 2 = x30 + 5x - 2 = x5x + 28 = x4x = -28x = -7Check: 5 (6 + (-7)) - 2 = -75(-1) - 2 = -7
A 20 minute lesson would mean 80 minutes of practice.20 = X Cross Multiply 5X = 400 Solve for X5X = 4005 20 /5 /5X = 80
It is equal to 1.8It is equal to 1.8It is equal to 1.8It is equal to 1.8
as equal as, so equal as, more equal than, the most equal of.
equal set mean the set is equal equal est means that the set is equal
Yes, any two equal things are equal!