Iam supposed to show that 4 − (x + 2)2 = −x(x + 4) by factorising the left-hand side. but i don't understand how to do it. can someone explain it to me?

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

Gables properties corp. is leasing office building with an area of 49b^2+70b+25. what is the shape of the building? a) rectangle b) square

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)