Question

8. Which identity can be used to factorise 4x2 - 9y2OUP​

Answer 1

Answer:

${a}^{2} - {b}^{2} = (a + b)(a - b)$

Answer 2

Answer:

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Step-by-step explanation:

(i) 12x, 36

(ii) 2y, 22xy

(iii) 14pq, 28p2q2

(iv) 2x, 3x2, 4

(v) 6abc, 24ab2, 12a2b

(vi) 16x3, −4x2, 32x

(vii) 10pq, 20qr, 30rp

(viii) 3x2y3, 10x3y2, 6x2y2z