1) 7m²(m²n + 2mn² - 3m³p⁴)
2) (3x+x²)(4-8x) = 12x - 24x + 4x³ - 8x
(3x+x²)(4-8x) = 4x(3 - 8 + x² - 2)
1) 7m²(m²n + 2mn² - 3m³p⁴)
2) (3x+x²)(4-8x) = 12x - 24x + 4x³ - 8x
(3x+x²)(4-8x) = 4x(3 - 8 + x² - 2)