Question

1. p^2 + 9p -36
2. 3y^2 - 10y + 8
3.b^2 + 3b - 40
answer by explaining
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Answer 1

Answer:

${p}^{2} + 9p - 36 \\ {p}^{2} + 12p - 3p - 36 \\ p(p + 12) - 3(p + 12) \\ (p + 12)(p - 3)$

${3y}^{2} - 10y + 8 \\ {3y}^{2} - 6y - 4y + 8 \\ 3y(y - 2) - 4(y + 2) \\ (y - 2)(3y - 4)$

${b}^{2} + 3b - 40 \\ {b}^{2} + 8b - 5b - 40 \\ b(b + 8) - 5(b + 8) \\ (b + 8)(b - 5)$