Question

Solve forx: (4 - 2x)(x + 4) = 0​

Answer 1

Step-by-step explanation:

4x -16) +(-2x+8x)=-2x=-16 ) x=8

Answer 2

$\pink{ \sf{(4 - 2x)(x + 4)}} \\ \purple{ \sf{4(x + 4) - 2x(x + 4)}} \\ \blue{ \sf{4x + 16 - 2x {}^{2} - 8x }} \\ \red{ \sf{ - 2x {}^{2} - 4x + 16 }} \\ \green{ \sf{2x {}^{2} + 4x - 16 = 0 }} \\ \pink{\sf{2x {}^{2} + 8x - 4x - 16 = 0}} \\ \purple{ \sf{2x(x + 4) - 4(x + 4) = 0}} \\ \blue{ \sf{(x + 4)(2x - 4) = 0}} \\ \red{ \boxed{ \sf{x = - 4 \: and \: 2}}}$