What is factor a^2-11a+28 ?

The solution to factor a^2-11a+28 is (a-4)(a-7)

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factor a^2-11a+28

factor

a^{2} - 11 a + 28

(a - 4) (a - 7)

Solution steps

a^{2} - 11 a + 28

Break the expression into groups

= (a^{2} - 4 a) + (- 7 a + 28)

Factor out

a

from

a^{2} - 4 a : a (a - 4)

Factor out

- 7

from

- 7 a + 28 : - 7 (a - 4)

= a (a - 4) - 7 (a - 4)

Factor out common term

a - 4

= (a - 4) (a - 7)

8 \cdot (- \frac{5}{2})

\frac{( 0.0025 ) ^{2}}{0.000375}

78 x^{2} + 131 x - 22

\frac{2 x}{3} - 1 < 2

s^{2} - 32 = 0