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Factorization — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSFactorization2 Marks
Question
Solve:
$(3 - 2a)^2- 25a^2$
✓

Answer

$(3 - 2a)^2- 25a^2$
$= (3 + 2a)^2- 25a^2$
$= [(3a + 2a) - 5a][(3 + 2a) + 5a]$
$= (3 + 2a - 5a)(3 + 2a + 5a)$
$= (3 - 3a)(3 + 7a)$
$= 3(1 - a)(3 + 7a)$

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