Question

h) {(3x+5)+(x+2)}2+{(3x+5)-(x+2)}2 =20x2 -78​

Answer 1

Answer:

-29/6

Step-by-step explanation:

{4x+7}2+{2x+3}2= -38

8x+14+4x+6= -38

12x+20= -38

12x= -58

x= -29/6