Question 516175
(x + 3)(x² - 10x + 26) 
= x(x²) + x(-10x) + x(26) + 3(x²) + 3(-10x) + 3(26) {used distributive property}
= x³ - 10x² + 26x + 3x² - 30x + 78 {multiplied through}
= x³ - 7x² - 4x + 78 {combined like terms}
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