1.

P²+7p-18 factorise it​

Answer»

ong>GIVEN equationP>

p² + 7p - 18=0

Solving, we GET,

→ p² + 7p - 18=0

Sum of zeroes = 7

Product of Zeroes = -18

Suitable numbers : -2 and 9

→ p² - 2p + 9p - 18 = 0

→ p(p-2) + 9(p-2) = 0

→ (p+9)(p+2) = 0

Therefore,  (p+9)(p+2) is the factorised EXPRESSION

                                                                               



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