\(3(3m + 4n) (m + 2n) =\)

\(= 3( 3m \times m + 3m \times 2n + 4n \times m + 4n x\times 2n) = \)

\(= 3(3m^2 + 6mn + 4mn + 8n^2) =\)

\(= 9m^2 + 18mn + 12mn + 24n^2 = \)

\(= 9m^2 + 30mn + 24n^2\)

asked 2021-01-27

Please, multiply these polynomials: \((3t – 7)(1 + 3t^2)\)

asked 2021-01-31

Please, factor this polynomial: \(x^3 + 1\)

asked 2021-02-24

Multiply these polynomials: \(12ab(\frac{5}{6a} + \frac{1}{4ab^{2}})\)

asked 2020-12-05

Multiply the polynomials: \(6xy^2(1/2x - 2/3xy)\)

asked 2021-02-02

Find a second-degree polynomial P such that \(P(4)=5\), \(P'(4)=3\), and \(P"(4)=3\)

asked 2020-11-09

Explain why \(x^4 – 2x^2 – 3\) is a quadratic polynomial.

asked 2021-02-11

Solve, adding the polynomials: \((2.7m – 0.5h) + (-3.2m + 0.2h)\)

asked 2021-02-11

asked 2021-01-15

Solve: \(\displaystyle\frac{1}{{3}}{\left({6}{b}+{4}\right)}\)

asked 2021-02-03

Tell whether \(5x^{1/2} - 3x^{3}\) is a polynomial.