Question

Factorise fully 72-2y^2

Answer 1

Answer: 2(y + 6)(-y + 6)

Step-by-step explanation: Factor 72 - 2y^2

                                             -2y^2 + 72

                                             = 2(y + 6)(-y + 6)

Answer 2

Answer:

$-2\left(y+6\right)\left(y-6\right)$

Step-by-step explanation:

$72-2y^2$

$-2y^2+72$

Factor out GCF.

$2(-y^2+36)$

Apply difference of two squares formula.

$-2\left(y+6\right)\left(y-6\right)$