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(6x^2+4x-15x-10)(x+7)(6x^2 -11x-10)(x+7)= 6x^3-11x^2-10x+42x^2-77x-70)=6x^3+31x^2-87x-70

Let A by any 2 by 2 matrix and the top left, top right, bottom left and bottom right entries be a, b, c and d respectively. The determinant for matrix A would be ad-bc.

Force@A: F_A = m_A x g = 35 x 10 = 350NAnticlockwise moment: M_A = F_A x d_A= 350 x 10 = 3500NmForce @B: F_B=m_b x g = 50 x 10 = 500NC...

EXPOSURE!Listen to French radio (there are plenty of apps for that).Watch French films - if you struggle with comprehension, stick on the French subtitles. If that's still to difficult, t...

One strength of the biological approach is that it has real-life application. For example, a modern understanding of biochemical processes within the brain has led to the development of psychoactive drugs...