factor the expression by grouping. First, the expression needs to it is in rewritten together -x^2+ax+bx-18. To find a and also b, collection up a mechanism to be solved.

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Since abdominal is positive, a and also b have the very same sign. Because a+b is negative, a and also b space both negative. List all such integer pairs that give product 18.

2x2-9x-18 Final an outcome : (x - 6) • (2x + 3) action by step solution : step 1 :Equation in ~ the finish of action 1 : (2x2 - 9x) - 18 step 2 :Trying to element by separating the center term ...

9x2-9x-18 Final an outcome : 9 • (x + 1) • (x - 2) action by action solution : action 1 :Equation at the finish of step 1 : (32x2 - 9x) - 18 action 2 : action 3 :Pulling out favor terms : 3.1 Pull the end ...

displaystylex=3 ext or x=6 Explanation: displaystyle extthe solution to the equation are the x-intercepts (roots)displaystyle extsketch the graph and read these values from it ...

The options aredisplaystylexinleft(-infty,3
ight)cupleft(6,+infty
ight) Explanation:The inequality is displaystylex^2-9x>-18displaystylex^2-9x+18>0 ...

-x2-9x-1=0 Two remedies were discovered : x =(9-√77)/-2=-0.113 x =(9+√77)/-2=-8.887 step by step solution : step 1 : action 2 :Pulling out like terms : 2.1 traction out like factors : -x2 ...

-x2+9x-18 Final an outcome : (3 - x) • (x - 6) step by step solution : step 1 : step 2 :Pulling out like terms : 2.1 pull out favor factors : -x2 + 9x - 18 = -1 • (x2 - 9x + 18) do the efforts ...

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Factor the expression by grouping. First, the expression needs to be rewritten as -x^2+ax+bx-18. To find a and also b, set up a system to be solved.

Since abdominal is positive, a and also b have actually the very same sign. Since a+b is negative, a and b space both negative. List all together integer pairs that offer product 18.

Quadratic polynomial have the right to be factored making use of the revolution ax^2+bx+c=aleft(x-x_1
ight)left(x-x_2
ight), where x_1 and x_2 room the solutions of the quadratic equation ax^2+bx+c=0.

x=frac-left(-9
ight)±sqrtleft(-9
ight)^2-4left(-1
ight)left(-18
ight)2left(-1
ight)

All equations of the type ax^2+bx+c=0 can be solved using the quadratic formula: frac-b±sqrtb^2-4ac2a. The quadratic formula provides two solutions, one as soon as ± is addition and one when it is subtraction.

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Factor the initial expression making use of ax^2+bx+c=aleft(x-x_1
ight)left(x-x_2
ight). Instead of -6 because that x_1 and also -3 for x_2.

left< eginarray l l 2 & 3 \ 5 & 4 endarray
ight> left< eginarray together l l 2 & 0 & 3 \ -1 & 1 & 5 endarray
ight>

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