NCERT Figure it Out 3 - Q2 - We Distribute, Yet Things Multiply

Question: Find: (i) (p - 1)(p + 11) (ii) (3a - 9b)(3a + 9b) (iii) -(2y + 5)(3y + 4) (iv) (6x + 5y)^2 (v) (2x - 1/2)^2 (vi) 7p x 3r x (p + 2).

Answer: (i) p^2+10p-11 (ii) 9a^2-81b^2 (iii) -6y^2-23y-20 (iv) 36x^2+60xy+25y^2 (v) 4x^2-2x+1/4 (vi) 21p^2r+42pr.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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