Factorise a²-15a+36 in the form x²+bx+c
Answers
Answer:
(a-12)(a-3)
Step-by-step explanation:
a2−15a+36a2-15a+36
Consider the form x2+bx+cx2+bx+c. Find a pair of integerswhose product is cc and whose sum is bb. In this case, whose product is 3636 and whose sum is −15-15.
−12,−3-12,-3
Write the factored form using these integers.
(a−12)(a−3)
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