= (x + 3)(4x - 2)
= x(4x - 2) + 3(4x - 2)
= 4x² - 2x + 12x - 6
= 4x² + 10x - 6.
395.84
step-by-step explanation:
2πrh+2πr²
2 (pie)(radius)(height)+2(pie)(radius)^2
1,918