\(2(7y + z)(3y + 5z) = 2\times (7y \times 3y + 7y \times 5z + z \times 3y + z \times 5z) \)

\(= 2 (21y^2 + 35yz + 3yz + 5z^2)\)

\(= 41y^2 + 70yz + 6yz + 10z^2\)

\(= 41y^2 + 76yz + 10z^2\)

asked 2021-02-11

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

asked 2021-02-04

Solve the polynomials: \((1 + x + x^4)(5 + x + x^2 + 3x^2)\)

asked 2021-02-10

Solve the expression. \((2 – 5w) (2w^2 – 5)\)

asked 2021-01-15

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

asked 2021-05-07

Find the smallest value of n such that Taylor's inequality guarantees that \(|\ln(x)-\ln(1-x)|<0.01\) for all x in the interval \(l=[-\frac{1}{2},\frac{1}{2}]\)

asked 2021-01-27

Factor the polynomial \(25t^2 + 90t + 81\)

asked 2020-11-09

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

asked 2021-02-24

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

asked 2021-02-11

asked 2020-12-05

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