Factor the expression by grouping. First, the expression demands to be rewritten as 8x^2+ax+bx-9. To discover a and also b, set up a mechanism to be solved.

You are watching: Which of the following is a factor of 8x2 + 21x + 10?

Since abdominal is negative, a and also b have the the opposite signs. Due to the fact that a+b is negative, the negative number has better absolute value than the positive. List all such integer bag that provide product -72. 18x2-21x-4 Final an outcome : (3x - 4) • (6x + 1) step by action solution : step 1 :Equation at the finish of step 1 : ((2•32x2) - 21x) - 4 action 2 :Trying to variable by dividing the middle term ...
6x2-21x-9 Final result : 3 • (2x2 - 7x - 3) action by step solution : step 1 :Equation at the finish of action 1 : ((2•3x2) - 21x) - 9 step 2 : action 3 :Pulling out favor terms : 3.1 Pull out ...
8x2-21x-15 Final result : 8x2 - 21x - 15 action by step solution : action 1 :Equation at the end of step 1 : (23x2 - 21x) - 15 action 2 :Trying to factor by separating the center term ...
x2-21x-11 Final an outcome : x2 - 21x - 11 action by step solution : step 1 :Trying to factor by splitting the center term 1.1 Factoring x2-21x-11 The an initial term is, x2 that coefficient is ...
\displaystyle18x^2-21x+6=3\left(2x-1\right)\left(3x-2\right) Explanation:The quadratic formula is an every purpose an approach that will enable the administrate of any ...
x2-21x-2=0 Two remedies were discovered : x =(21-√449)/2=-0.095 x =(21+√449)/2=21.095 step by step solution : action 1 :Trying to variable by separating the middle term 1.1 Factoring ...
More Items     Factor the expression by grouping. First, the expression requirements to be rewritten together 8x^2+ax+bx-9. To find a and b, collection up a device to be solved.
Since ab is negative, a and b have actually the the opposite signs. Due to the fact that a+b is negative, the an unfavorable number has better absolute value than the positive. List all such integer pairs that provide product -72.
Quadratic polynomial deserve to be factored utilizing the revolution ax^2+bx+c=a\left(x-x_1\right)\left(x-x_2\right), where x_1 and x_2 space the solutions of the quadratic equation ax^2+bx+c=0.
All equations that the form ax^2+bx+c=0 can be fixed using the quadratic formula: \frac-b±\sqrtb^2-4ac2a. The quadratic formula offers two solutions, one as soon as ± is enhancement and one once it is subtraction.

See more: The Watchman Style Of Policing Emphasizes A The, Cj Quiz 2 Flashcards

Factor the original expression making use of ax^2+bx+c=a\left(x-x_1\right)\left(x-x_2\right). Instead of 3 because that x_1 and also -\frac38 for x_2.  