answer the following
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Answered by
13
Multiply :
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Answered by
1
Step-by-step explanation:
(i) (6a +7b-3c) x 4a
→→ (6a × 4a) + (7b × 4a) – (3c × 4a
→24a2+28ab - 12ac
(ii) (x+4) x (x+10)
→ x(x+10) + 4(x+10)
→x² + 10x + 4x + 40
→x² +14x + 40
(iii) (x+5) x (2x+3)
→ (x+5) x (2x + 3)
x(2x + 3) +5(2x+3)
→ 2x² + 3x + 10x + 15
→ 2x² + 13x + 15
(iv) (3x − 5y) × (2x+4y)
→ 3x(2x+4y) — 5y(2x+4y)
→ 6x² + 12xy - 10xy - 20y²
→ 6x² + 2xy – 20y²
(v) (x +9y) × (x - 5y)
→ x(x − 5y) +9y(x - 5y)
→x²5xy + 9xy - 45y²
→x² + 4xy - 45y²
I HOPE ITS HELPFUL FOR YOU!!
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