What is factor 4x^3+3x^2-28x-21 ?

The solution to factor 4x^3+3x^2-28x-21 is (4x+3)(x^2-7)

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factor 4x^3+3x^2-28x-21

factor

4 x^{3} + 3 x^{2} - 28 x - 21

(4 x + 3) (x^{2} - 7)

Solution steps

4 x^{3} + 3 x^{2} - 28 x - 21

= (4 x^{3} + 3 x^{2}) + (- 28 x - 21)

Factor out

x^{2}

from

4 x^{3} + 3 x^{2} : x^{2} (4 x + 3)

Factor out

- 7

from

- 28 x - 21 : - 7 (4 x + 3)

= x^{2} (4 x + 3) - 7 (4 x + 3)

Factor out common term

4 x + 3

= (4 x + 3) (x^{2} - 7)

- 3 - 5 x - 5 y + 8 x + 7 y + 8

(- 6 + 2 i) + (- 2 + 2 i)

6 x^{7} + 3 x^{4} - 9 x^{3}

\frac{0}{0 ^{2} + 1}

4 \frac{7}{9} \div 1 \frac{7}{12}

What is factor 4x^3+3x^2-28x-21 ?
The solution to factor 4x^3+3x^2-28x-21 is (4x+3)(x^2-7)