(x+1)(x +2) + x(x+2) + x(x+1) = 74 what is the answer by explanation
Answers
Answered by
0
Answer:
x²+3x+2 +x²+2x+x²+x=74
3x²+6x=74-2
3x²+6x-72 =0
3(x²+2x-24)=0
x²+2x-24=0
x²+6x-4x-24=0
x(x+6)-4(x+6)=0
(x+6)(x-4)=0
x=-6,4
Answered by
0
Answer:
x=4
Step-by-step explanation:
(4+1)(4+2) + 4(4+2) + 4(4+1) = 74
5 × 6 + 4 × 6 + 4 × 5 = 74
30 + 24 + 20 = 74
54 + 20 = 74
74 = 74
Similar questions